diff --git a/backend/src/controller/classroom/mod.rs b/backend/src/controller/classroom/mod.rs
new file mode 100644
index 0000000..9496946
--- /dev/null
+++ b/backend/src/controller/classroom/mod.rs
@@ -0,0 +1,14 @@
+use rocket::{http::Status, serde::json::Json};
+
+use crate::{json_result::JsonResult, model::classroom_user::ClassroomPersonCreate};
+
+#[options("/classroom/user")]
+pub fn create_user_options() -> Status { Status::Ok }
+
+#[post("/classroom/user", format = "json", data = "<data>")]
+pub fn create_user(data: Json<ClassroomPersonCreate>) -> (Status, Json<JsonResult<()>>) {
+
+    
+
+    (Status::InternalServerError, JsonResult::err("Error creando usuario".into()))
+}
diff --git a/backend/src/controller/mod.rs b/backend/src/controller/mod.rs
index 2e8eba9..73a2962 100644
--- a/backend/src/controller/mod.rs
+++ b/backend/src/controller/mod.rs
@@ -2,3 +2,4 @@ pub mod course;
 pub mod custom_label;
 pub mod person;
 pub mod register;
+pub mod classroom;
diff --git a/backend/src/main.rs b/backend/src/main.rs
index c0d3a7d..9125f3b 100644
--- a/backend/src/main.rs
+++ b/backend/src/main.rs
@@ -58,7 +58,9 @@ async fn rocket() -> _ {
             // Online classroom routes
             //
             online_classroom::connection,
-            online_classroom::users::get_users,
+            online_classroom::user::get_users,
+            controller::classroom::create_user_options,
+            controller::classroom::create_user,
         ],
     )
 }
diff --git a/backend/src/model/classroom_user.rs b/backend/src/model/classroom_user.rs
new file mode 100644
index 0000000..04f2ecc
--- /dev/null
+++ b/backend/src/model/classroom_user.rs
@@ -0,0 +1,21 @@
+use serde::{Serialize, Deserialize};
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct ClassroomPerson {
+    pub name: String,
+    pub surname: String,
+    pub username: String,
+    pub user_id: String,
+}
+
+
+#[derive(Debug, Deserialize)]
+pub struct ClassroomPersonCreate {
+    pub person_email: String,
+    pub person_expiration_date: String,
+    pub person_id: i32,
+    pub person_names: String,
+    pub person_surnames: String,
+    pub person_username: String,
+    pub person_password: String,
+}
diff --git a/backend/src/model/mod.rs b/backend/src/model/mod.rs
index 929d84e..ee26e64 100644
--- a/backend/src/model/mod.rs
+++ b/backend/src/model/mod.rs
@@ -3,3 +3,4 @@ pub mod custom_label;
 pub mod person;
 pub mod register;
 pub mod reniec_person;
+pub mod classroom_user;
diff --git a/backend/src/online_classroom/create_user.rs b/backend/src/online_classroom/create_user.rs
new file mode 100644
index 0000000..5c5805b
--- /dev/null
+++ b/backend/src/online_classroom/create_user.rs
@@ -0,0 +1,225 @@
+use scraper::{Selector, Html};
+
+use crate::model::classroom_user::ClassroomPersonCreate;
+
+use super::session::request;
+
+
+/// Creates an online classroom user
+pub async fn create(data: &ClassroomPersonCreate) -> Result<(), String> {
+    let sec_token = get_form_sec_token().await?;
+
+    let body = get_request_body(
+        &data.person_surnames,
+        &data.person_names,
+        &data.person_email,
+        &data.person_username,
+        &data.person_password,
+        &data.person_expiration_date,
+        &sec_token,
+    );
+
+    Err("Not implemented".into())
+}
+
+async fn get_form_sec_token() -> Result<String, String> {
+    let creation_form = request("/main/admin/user_add.php".into()).await?;
+
+    let sec_token_selector = Selector::parse("#user_add_sec_token")
+        .or_else(|err| Err(format!("Error creating sec_token selector: {:?}", err)))?;
+
+    let fragment = Html::parse_document(&creation_form);
+
+    let input_element = match fragment.select(&sec_token_selector).next() {
+        Some(el) => el,
+        None => return Err(format!("Error selecting sec_token element. Not found")),
+    };
+
+    let sec_token_value = match input_element.value().attr("value") {
+        Some(val) => val,
+        None => return Err(format!("Error getting sec_token value from input. Not found")),
+    };
+
+    Ok(sec_token_value.into())
+}
+
+fn get_request_body(
+    surnames: &String,
+    names: &String,
+    email: &String,
+    username: &String,
+    password: &String,
+    expiration_date: &String,
+    sec_token: &String,
+) -> String {
+    format!(
+        r#"
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="lastname"
+
+{surnames}
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="firstname"
+
+{names}
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="official_code"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="email"
+
+{email}
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="phone"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="picture"; filename=""
+Content-Type: application/octet-stream
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="username"
+
+{username}
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="password[password_auto]"
+
+0
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="password[password]"
+
+{password}
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="status"
+
+5
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="admin[platform_admin]"
+
+0
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="language"
+
+spanish
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="mail[send_mail]"
+
+1
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="radio_expiration_date"
+
+1
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="expiration_date"
+
+{expiration_date} 23:59
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="active"
+
+1
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_legal_accept"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_already_logged_in"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_update_type"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_rssfeeds"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_dashboard"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_timezone"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_mail_notify_invitation"
+
+1
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_mail_notify_message"
+
+1
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_mail_notify_group_message"
+
+1
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_user_chat_status"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_google_calendar_url"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_captcha_blocked_until_date"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_skype"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_linkedin_url"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_request_for_legal_agreement_consent_removal_justification"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_request_for_delete_account_justification"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_request_for_legal_agreement_consent_removal"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="extra_request_for_delete_account"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="submit"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="_qf__user_add"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="MAX_FILE_SIZE"
+
+536870912
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="picture_crop_result"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="picture_crop_image_base_64"
+
+
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="item_id"
+
+0
+-----------------------------83919643214156711801978607619
+Content-Disposition: form-data; name="sec_token"
+
+{sec_token}
+-----------------------------83919643214156711801978607619--
+"#
+    )
+}
diff --git a/backend/src/online_classroom/mod.rs b/backend/src/online_classroom/mod.rs
index 2283e96..669b986 100644
--- a/backend/src/online_classroom/mod.rs
+++ b/backend/src/online_classroom/mod.rs
@@ -5,7 +5,8 @@ use crate::json_result::JsonResult;
 use self::session::ensure_session;
 
 mod session;
-pub mod users;
+pub mod user;
+pub mod create_user;
 
 /// Tries to connect to the online classroom, and get a session cookie
 #[get("/classroom/connect")]
diff --git a/backend/src/online_classroom/users.rs b/backend/src/online_classroom/user.rs
similarity index 94%
rename from backend/src/online_classroom/users.rs
rename to backend/src/online_classroom/user.rs
index b158a3e..5f0fe05 100644
--- a/backend/src/online_classroom/users.rs
+++ b/backend/src/online_classroom/user.rs
@@ -1,18 +1,11 @@
-use crate::json_result::JsonResult;
+use crate::{json_result::JsonResult, model::classroom_user::ClassroomPerson};
 
 use super::session::request;
 use rocket::{http::Status, serde::json::Json};
 use scraper::{ElementRef, Html, Selector};
-use serde::{Deserialize, Serialize};
 use urlencoding::encode;
 
-#[derive(Debug, Serialize, Deserialize)]
-pub struct ClassroomPerson {
-    name: String,
-    surname: String,
-    username: String,
-    user_id: String,
-}
+
 
 // Instead of requesting pages and managing session & cookies manually,
 // create a wrapper that:
@@ -127,7 +120,7 @@ fn get_person_data(td_vec: &Vec<ElementRef>) -> Result<ClassroomPerson, String>
     // Get the username
     let username = username_ref.inner_html();
 
-    // Parse userid from href
+    // Parse user_id from href
     // format: https://testing.aulavirtual.eegsac.com/main/admin/user_information.php?user_id=1087
     // Get the position of 'user_id='
     let user_id_start = href_value.find("user_id=").ok_or("Error parsing user_id")? + 8;
diff --git a/frontend/src/OnlineClassroom/ClassroomUserCreation.tsx b/frontend/src/OnlineClassroom/ClassroomUserCreation.tsx
index d36bcd7..8c08076 100644
--- a/frontend/src/OnlineClassroom/ClassroomUserCreation.tsx
+++ b/frontend/src/OnlineClassroom/ClassroomUserCreation.tsx
@@ -1,11 +1,68 @@
-import { createSignal } from "solid-js";
+import { Show, createSignal, onMount } from "solid-js";
 import { FilledButton } from "../components/FilledButton";
 import { UserPlusIcon } from "../icons/UserPlusIcon";
 import { MaterialInput } from "../components/MaterialInput";
+import { Person } from "../types/Person";
+import { LoadingStatus, backend, useLoading, wait } from "../utils/functions";
+import { JsonResult } from "../types/JsonResult";
+import { LoadingIcon } from "../icons/LoadingIcon";
 
-export function ClassroomUserCreation() {
+export function ClassroomUserCreation(props: {person: Person}) {
     const [email, setEmail] = createSignal("yuli.palo.apaza@gmail.com");
-    const [loading, setLoading] = createSignal(false);
+    const [username, setUsername] = createSignal("USERNAME");
+    const {setError, status, setStatus} = useLoading();
+    const [names, setNames] = createSignal(props.person.person_names);
+    const [surnames, setSurnames] = createSignal(`${props.person.person_paternal_surname} ${props.person.person_maternal_surname}`);
+    const [password, setPassword] = createSignal(props.person.person_dni);
+    const [date, setDate] = createSignal("2023-10-03");
+
+    onMount(() => {
+        // Setup initial values
+        const [firstName, secondName] = props.person.person_names.split(" ");
+        const paternalSurname = props.person.person_paternal_surname;
+        const maternalSurname = props.person.person_maternal_surname;
+
+        const user = `${firstName[0]}${secondName[0] ?? ""}${paternalSurname}${maternalSurname[0]}`;
+
+        const next_date = new Date();
+        next_date.setDate(next_date.getDate() + 60);
+        setDate(next_date.toISOString().split("T")[0]);
+
+        setUsername(user.toUpperCase());
+    });
+
+    const createClassroomUser = async() => {
+        setStatus(LoadingStatus.Loading);
+        console.log("creating...");
+
+        if (import.meta.env.DEV) await wait(1500);
+
+        backend.post<JsonResult<null>>("/api/classroom/user", {
+            person_id: props.person.person_id,
+            person_names: names(),
+            person_surnames: surnames(),
+            person_email: email(),
+            person_username: username(),
+            person_password: password(),
+            person_expiration_date: date(),
+        })
+            .then((response) => {
+                if (response.status === 200) {
+                    alert("Usuario creado con éxito");
+                    setStatus(LoadingStatus.Ok);
+                } else {
+                    console.error(response.data);
+                    setError(response.data.Err.reason);
+                    setStatus(LoadingStatus.Error);
+                }
+            })
+            .catch((err) => {
+                console.error(err);
+                setError(`Error fatal: ${err.message}`);
+                alert(`Error fatal: ${err.message}`);
+                setStatus(LoadingStatus.Error);
+            });
+    };
 
     return (
         <div class="px-4 pb-4">
@@ -13,19 +70,69 @@ export function ClassroomUserCreation() {
                 O cree un nuevo usuario:
             </p>
 
-            <form>
+            <form
+                onsubmit={(ev) => {
+                    ev.preventDefault();
+                    createClassroomUser();
+                }}
+            >
                 <MaterialInput
-                    resourceName="Correo"
-                    value={email()}
-                    setValue={setEmail}
-                    disabled={loading()}
+                    resourceName="Apellidos"
+                    value={surnames()}
+                    setValue={setSurnames}
+                    disabled={status() === LoadingStatus.Loading}
+                />
+                <MaterialInput
+                    resourceName="Nombres"
+                    value={names()}
+                    setValue={setNames}
+                    disabled={status() === LoadingStatus.Loading}
+                />
+                <MaterialInput
+                    resourceName="Correo electrónico"
+                    value={email()}
+                    type="email"
+                    setValue={setEmail}
+                    disabled={status() === LoadingStatus.Loading}
+                />
+                <div class="grid grid-cols-2 gap-1">
+                    <MaterialInput
+                        class="relative"
+                        resourceName="Usuario"
+                        value={username()}
+                        setValue={(v) => setUsername(v.toUpperCase())}
+                        disabled={status() === LoadingStatus.Loading}
+                    />
+                    <MaterialInput
+                        class="relative"
+                        resourceName="Contraseña"
+                        value={password().toString()}
+                        setValue={setPassword}
+                        disabled={status() === LoadingStatus.Loading}
+                    />
+                </div>
+                <MaterialInput
+                    resourceName="Fecha de expiracion"
+                    type="date"
+                    value={date()}
+                    setValue={setDate}
+                    disabled={status() === LoadingStatus.Loading}
                 />
-            </form>
 
-            <FilledButton class="ml-2">
-                <UserPlusIcon fill="var(--c-on-primary)" class="mr-2 relative scale-150" size={16} />
-                Crear usuario
-            </FilledButton>
+                <FilledButton type="submit" class="ml-2" disabled={status() === LoadingStatus.Loading}>
+                    <Show when={status() === LoadingStatus.Loading}>
+                        <LoadingIcon
+                            class="animate-spin relative mr-2"
+                            fill="var(--c-primary-container)"
+                            size={16}
+                        />
+                    </Show>
+                    <Show when={status() !== LoadingStatus.Loading}>
+                        <UserPlusIcon fill="var(--c-on-primary)" class="mr-2 relative scale-150" size={16} />
+                    </Show>
+                    Crear usuario
+                </FilledButton>
+            </form>
         </div>
     );
 }
diff --git a/frontend/src/OnlineClassroom/ClassroomVinculation.tsx b/frontend/src/OnlineClassroom/ClassroomVinculation.tsx
new file mode 100644
index 0000000..be78e9a
--- /dev/null
+++ b/frontend/src/OnlineClassroom/ClassroomVinculation.tsx
@@ -0,0 +1,148 @@
+import { ClassroomRegistrationUser } from "../types/ClassroomRegistrationUser";
+import { QuestionIcon } from "../icons/QuestionIcon";
+import { JsonResult } from "../types/JsonResult";
+import { XcircleIcon } from "../icons/XCircleIcon";
+import { LoadingStatus, backend, useLoading, wait } from "../utils/functions";
+import { LinkIcon } from "../icons/LinkIcon";
+import { For, Show, createSignal, onMount } from "solid-js";
+import { LoadingIcon } from "../icons/LoadingIcon";
+
+type Status = "Init" | "Ok" | "Loading" | "Error";
+export function ClassroomVinculation(props: {person_surname: string, personId: number, onLink: (classroom_id: number) => void,}) {
+    const [classroomUsers, setClassroomUsers] = createSignal<ClassroomRegistrationUser[]>([]);
+    const [error, setError] = createSignal("");
+    const [status, setStatus] = createSignal<Status>("Init");
+
+    const loadUsers = async() => {
+        setStatus("Loading");
+        const response = await fetch(`${import.meta.env.VITE_BACKEND_URL}/api/classroom/users/${encodeURIComponent(props.person_surname)}`);
+        const json: JsonResult<Array<ClassroomRegistrationUser>> = await response.json();
+
+        if (response.ok) {
+            setClassroomUsers(json.Ok);
+            setStatus("Ok");
+        } else {
+            console.error("Error loading users", json);
+            setError(json.Err.reason);
+            setStatus("Error");
+        }
+    };
+
+    onMount(loadUsers);
+
+    return (
+        <div>
+            <p class="py-2 px-4">
+                Vincule un usuario existente:
+            </p>
+
+            <Show when={status() === "Loading"}>
+                <div class="text-center h-12 scale-150">
+                    <LoadingIcon class="animate-spin" fill="var(--c-primary)" />
+                </div>
+            </Show>
+
+            <Show when={status() === "Ok"}>
+                <Show when={classroomUsers().length === 0}>
+                    <div class="px-4 pb-2">
+                        <div class="text-center pt-6 pb-4">
+                            <QuestionIcon class="scale-[200%]" fill="var(--c-outline)" />
+                        </div>
+                        <p>No se encontraron usuarios en el aula virtual.</p>
+                    </div>
+                </Show>
+                <For each={classroomUsers()}>
+                    {(u) => (
+                        <ClassroomSingleUser
+                            user={u}
+                            personId={props.personId}
+                            onLink={props.onLink}
+                        />
+                    )}
+                </For>
+            </Show>
+
+            <Show when={status() === "Error"}>
+                <div class="px-4 pb-2 text-c-error">
+                    <div class="text-center pt-6 pb-4">
+                        <XcircleIcon class="scale-[200%]" fill="var(--c-error)" />
+                    </div>
+                    <p>Error buscando usuarios: {error()}.</p>
+                </div>
+            </Show>
+        </div>
+    );
+}
+
+
+
+function ClassroomSingleUser(props: {
+    user: ClassroomRegistrationUser,
+    onLink: (classroom_id: number) => void,
+    personId: number,
+}) {
+    const {setError, status, setStatus} = useLoading();
+
+    const linkUser = async() => {
+        setStatus(LoadingStatus.Loading);
+
+        if (import.meta.env.DEV) await wait(1500);
+
+        backend.put<JsonResult<null>>(
+            "/api/person/link",
+            {
+                person_id: props.personId,
+                person_classroom_id: parseInt(props.user.user_id, 10),
+            },
+        )
+            .then((response) => {
+                if (response.status === 200) {
+                    setStatus(LoadingStatus.Ok);
+                    props.onLink(parseInt(props.user.user_id, 10));
+                } else {
+                    console.error(response.data);
+                    setError(response.data.Err.reason);
+                    setStatus(LoadingStatus.Error);
+                }
+            })
+            .catch((err) => {
+                setError(`Error fatal: ${err.message}`);
+                console.error(err);
+                setStatus(LoadingStatus.Error);
+            });
+    };
+
+    return (
+        <div
+            class="hover:bg-c-surface-variant hover:text-c-on-surface-variant transition-colors
+                    grid grid-cols-[auto_3rem] gap-4"
+        >
+            <div class="pl-4 py-2">
+                {props.user.name} {props.user.surname}
+                <br />
+                <div class="grid grid-cols-[auto_10rem]">
+                    <span class="font-mono">
+                        {props.user.username}
+                    </span>
+                    <div>
+                        registrado:&nbsp;
+                        <span class="font-mono">
+                            ??/??/????
+                        </span>
+                    </div>
+                </div>
+            </div>
+            <button
+                title="Vincular usuario"
+                class="border-2 border-c-transparent hover:border-c-primary transition-colors rounded"
+                onclick={linkUser}
+                disabled={status() === LoadingStatus.Loading}
+            >
+                <LinkIcon fill="var(--c-primary)" />
+            </button>
+        </div>
+    );
+}
+
+
+
diff --git a/frontend/src/OnlineClassroom/index.tsx b/frontend/src/OnlineClassroom/index.tsx
index e9b7ab0..fe78d12 100644
--- a/frontend/src/OnlineClassroom/index.tsx
+++ b/frontend/src/OnlineClassroom/index.tsx
@@ -1,15 +1,9 @@
-import { For, Show, createSignal, onMount } from "solid-js";
+import { Show, createSignal } from "solid-js";
 import { Search } from "../certs/Search";
 import { Person } from "../types/Person";
 import { FilledCard } from "../components/FilledCard";
-import { LinkIcon } from "../icons/LinkIcon";
 import { ClassroomUserCreation } from "./ClassroomUserCreation";
-import { ClassroomRegistrationUser } from "../types/ClassroomRegistrationUser";
-import { SpinnerGapIcon } from "../icons/SpinnerGapIcon";
-import { QuestionIcon } from "../icons/QuestionIcon";
-import { JsonResult } from "../types/JsonResult";
-import { XcircleIcon } from "../icons/XCircleIcon";
-import { LoadingStatus, backend, useLoading, wait } from "../utils/functions";
+import { ClassroomVinculation } from "./ClassroomVinculation";
 
 type TabType = "Vinculate" | "Create";
 
@@ -21,13 +15,13 @@ export function OnlineClassroom() {
             <Search setPerson={setPerson} />
             <div>
 
-                <Show when={person() !== null && person()!.person_classroom_id === undefined}>
+                <Show when={person() !== null && person()!.person_classroom_id === null}>
                     <ClassroomUser
                         person={person()!}
                         onLink={(classroom_id) => setPerson((p) => ({...p!, person_classroom_id: classroom_id}))}
                     />
                 </Show>
-                <Show when={person() !== null && person()!.person_classroom_id !== undefined}>
+                <Show when={person() !== null && person()!.person_classroom_id !== null}>
                     <p>Person has classroom_id</p>
                 </Show>
 
@@ -58,7 +52,7 @@ function ClassroomUser(props: {person: Person, onLink: (classroom_id: number) =>
                         />
                     </Show>
                     <Show when={active() === "Create"}>
-                        <ClassroomUserCreation />
+                        <ClassroomUserCreation person={props.person} />
                     </Show>
                 </div>
 
@@ -67,144 +61,6 @@ function ClassroomUser(props: {person: Person, onLink: (classroom_id: number) =>
     );
 }
 
-type Status = "Init" | "Ok" | "Loading" | "Error";
-function ClassroomVinculation(props: {person_surname: string, personId: number, onLink: (classroom_id: number) => void,}) {
-    const [classroomUsers, setClassroomUsers] = createSignal<ClassroomRegistrationUser[]>([]);
-    const [error, setError] = createSignal("");
-    const [status, setStatus] = createSignal<Status>("Init");
-
-    const loadUsers = async() => {
-        setStatus("Loading");
-        const response = await fetch(`${import.meta.env.VITE_BACKEND_URL}/api/classroom/users/${encodeURIComponent(props.person_surname)}`);
-        const json: JsonResult<Array<ClassroomRegistrationUser>> = await response.json();
-
-        if (response.ok) {
-            setClassroomUsers(json.Ok);
-            setStatus("Ok");
-        } else {
-            console.error("Error loading users", json);
-            setError(json.Err.reason);
-            setStatus("Error");
-        }
-    };
-
-    onMount(loadUsers);
-
-    return (
-        <div>
-            <p class="py-2 px-4">
-                Vincule un usuario existente:
-            </p>
-
-            <Show when={status() === "Loading"}>
-                <div class="text-center h-12 scale-150">
-                    <SpinnerGapIcon class="animate-spin" fill="var(--c-primary)" />
-                </div>
-            </Show>
-
-            <Show when={status() === "Ok"}>
-                <Show when={classroomUsers().length === 0}>
-                    <div class="px-4 pb-2">
-                        <div class="text-center pt-6 pb-4">
-                            <QuestionIcon class="scale-[200%]" fill="var(--c-outline)" />
-                        </div>
-                        <p>No se encontraron usuarios en el aula virtual.</p>
-                    </div>
-                </Show>
-                <For each={classroomUsers()}>
-                    {(u) => (
-                        <ClassroomSingleUser
-                            user={u}
-                            personId={props.personId}
-                            onLink={props.onLink}
-                        />
-                    )}
-                </For>
-            </Show>
-
-            <Show when={status() === "Error"}>
-                <div class="px-4 pb-2 text-c-error">
-                    <div class="text-center pt-6 pb-4">
-                        <XcircleIcon class="scale-[200%]" fill="var(--c-error)" />
-                    </div>
-                    <p>Error buscando usuarios: {error()}.</p>
-                </div>
-            </Show>
-        </div>
-    );
-}
-
-
-
-function ClassroomSingleUser(props: {
-    user: ClassroomRegistrationUser,
-    onLink: (classroom_id: number) => void,
-    personId: number,
-}) {
-    const {setError, status, setStatus} = useLoading();
-
-    const linkUser = async() => {
-        setStatus(LoadingStatus.Loading);
-
-        if (import.meta.env.DEV) await wait(1500);
-
-        backend.put<JsonResult<null>>(
-            "/api/person/link",
-            {
-                person_id: props.personId,
-                person_classroom_id: parseInt(props.user.user_id, 10),
-            },
-        )
-            .then((response) => {
-                if (response.status === 200) {
-                    setStatus(LoadingStatus.Ok);
-                    props.onLink(parseInt(props.user.user_id, 10));
-                } else {
-                    console.error(response.data);
-                    setError(response.data.Err.reason);
-                    setStatus(LoadingStatus.Error);
-                }
-            })
-            .catch((err) => {
-                setError(`Error fatal: ${err.message}`);
-                console.error(err);
-                setStatus(LoadingStatus.Error);
-            });
-    };
-
-    return (
-        <div
-            class="hover:bg-c-surface-variant hover:text-c-on-surface-variant transition-colors
-                    grid grid-cols-[auto_3rem] gap-4"
-        >
-            <div class="pl-4 py-2">
-                {props.user.name} {props.user.surname}
-                <br />
-                <div class="grid grid-cols-[auto_10rem]">
-                    <span class="font-mono">
-                        {props.user.username}
-                    </span>
-                    <div>
-                        registrado:&nbsp;
-                        <span class="font-mono">
-                            ??/??/????
-                        </span>
-                    </div>
-                </div>
-            </div>
-            <button
-                title="Vincular usuario"
-                class="border-2 border-c-transparent hover:border-c-primary transition-colors rounded"
-                onclick={linkUser}
-                disabled={status() === LoadingStatus.Loading}
-            >
-                <LinkIcon fill="var(--c-primary)" />
-            </button>
-        </div>
-    );
-}
-
-
 function ClassroomTabs(props: {active: TabType, setActive: (v: TabType) => void}) {
     const presetsClasses = () => ((props.active === "Vinculate") ? "font-bold border-c-primary" : "border-c-transparent");
     const manualClasses = () => ((props.active === "Create") ? "font-bold border-c-primary" : "border-c-transparent");
diff --git a/frontend/src/components/FilledButton.tsx b/frontend/src/components/FilledButton.tsx
index 567ed65..11cf556 100644
--- a/frontend/src/components/FilledButton.tsx
+++ b/frontend/src/components/FilledButton.tsx
@@ -3,12 +3,14 @@ import { JSX } from "solid-js";
 export function FilledButton(props: {
     children?: Array<JSX.Element> | JSX.Element,
     class?: string,
-    type?: "button" | "input",
+    type?: "button" | "submit",
+    disabled?: boolean,
 }) {
     return (
         <button
             class={`bg-c-primary text-c-on-primary px-4 py-2 rounded-full cursor-pointer mt-4
                     disabled:opacity-50 disabled:cursor-not-allowed ${props.class}`}
+            disabled={props.disabled}
         >
             {props.children}
         </button>
diff --git a/frontend/src/components/MaterialInput.tsx b/frontend/src/components/MaterialInput.tsx
index 189da97..17ef2cf 100644
--- a/frontend/src/components/MaterialInput.tsx
+++ b/frontend/src/components/MaterialInput.tsx
@@ -3,19 +3,21 @@ export function MaterialInput(props: {
     disabled: boolean,
     value: string,
     setValue: (v: string) => void,
+    type?: string,
+    class?: string
 }) {
     let inputElement: HTMLInputElement | undefined;
 
     return (
-        <div class="relative my-6">
+        <div class={props.class ?? "relative my-6"}>
             <input
                 ref={inputElement}
-                id="search-dni"
+                id={props.resourceName.toLowerCase().replace(" ", "-")}
                 class="bg-c-background text-c-on-background border-c-outline border-2 rounded px-2 py-1 w-full
                         invalid:border-c-error invalid:text-c-error
                         focus:border-c-primary outline-none font-mono
                         disabled:opacity-50 disabled:cursor-not-allowed"
-                type="text"
+                type={props.type ?? "text"}
                 placeholder={props.resourceName}
                 value={props.value}
                 required
@@ -24,7 +26,10 @@ export function MaterialInput(props: {
             />
 
 
-            <label for="search-dni" class="absolute -top-2 left-2 text-xs bg-c-surface px-1 select-none">
+            <label
+                for={props.resourceName.toLowerCase().replace(" ", "-")}
+                class="absolute -top-2 left-2 text-xs bg-c-surface px-1 select-none"
+            >
                 {props.resourceName}
             </label>
         </div>
diff --git a/frontend/src/types/Person.ts b/frontend/src/types/Person.ts
index 062ca6d..94f647f 100644
--- a/frontend/src/types/Person.ts
+++ b/frontend/src/types/Person.ts
@@ -5,6 +5,6 @@ export type Person = {
     person_names: string
     person_paternal_surname: string
     person_maternal_surname: string
-    person_classroom_id: number | undefined
+    person_classroom_id: number | null
 }