diff --git a/htdocs/admin/importer.php b/htdocs/admin/importer.php
new file mode 100644
index 0000000..095aa2f
--- /dev/null
+++ b/htdocs/admin/importer.php
@@ -0,0 +1,334 @@
+<?php
+session_start();
+if (!isset($_SESSION['admin'])) { header("Location: login.php"); exit; }
+include("../lib/db.php");
+
+$message = "";
+$messageType = "";
+
+// Gestione importazione
+if ($_SERVER["REQUEST_METHOD"] === "POST" && isset($_POST['import'])) {
+    $classe_codice = trim($_POST['classe_codice']);
+    $classe_id = intval($_POST['classe_id']);
+    $api_url = trim($_POST['api_url']);
+    
+    if (empty($classe_codice) || $classe_id === 0) {
+        $message = "Compila tutti i campi obbligatori.";
+        $messageType = "error";
+    } else {
+        try {
+            // Chiama l'API Node.js
+            $url = $api_url . "?classe=" . urlencode($classe_codice);
+            
+            $ch = curl_init();
+            curl_setopt($ch, CURLOPT_URL, $url);
+            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+            curl_setopt($ch, CURLOPT_TIMEOUT, 30);
+            $response = curl_exec($ch);
+            $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+            curl_close($ch);
+            
+            if ($httpCode !== 200) {
+                throw new Exception("Errore nella chiamata API (HTTP $httpCode)");
+            }
+            
+            $data = json_decode($response, true);
+            
+            if (!$data || !isset($data['giorni'])) {
+                throw new Exception("Formato JSON non valido");
+            }
+            
+            // Cancella l'orario esistente per questa classe
+            $stmt = $conn->prepare("DELETE FROM timetable WHERE class_id = ?");
+            $stmt->bind_param("i", $classe_id);
+            $stmt->execute();
+            $stmt->close();
+            
+            $inserimenti = 0;
+            $materie_create = [];
+            
+            // Processa ogni giorno
+            foreach ($data['giorni'] as $giorno => $ore) {
+                foreach ($ore as $oraData) {
+                    // Salta ore vuote
+                    if ($oraData['materia'] === null) {
+                        continue;
+                    }
+                    
+                    $ora = $oraData['ora'];
+                    $materia = $oraData['materia'];
+                    $materiaCompleta = $oraData['materiaCompleta'];
+                    $docenti = $oraData['docenti'];
+                    $laboratori = $oraData['laboratori']; // Ora è un array
+                    
+                    // Se non ci sono docenti, salta (situazione anomala)
+                    if (count($docenti) === 0) {
+                        continue;
+                    }
+                    
+                    // Caso 1: Stesso numero di docenti e laboratori → associazione 1:1
+                    if (count($docenti) === count($laboratori) && count($laboratori) > 0) {
+                        foreach ($docenti as $idx => $docente) {
+                            $laboratorio = $laboratori[$idx];
+                            
+                            // Cerca/crea materia
+                            $stmt = $conn->prepare("SELECT id FROM subjects WHERE name = ? AND teacher = ? AND room = ?");
+                            $stmt->bind_param("sss", $materiaCompleta, $docente, $laboratorio);
+                            $stmt->execute();
+                            $result = $stmt->get_result();
+                            
+                            if ($result->num_rows > 0) {
+                                $subject_id = $result->fetch_assoc()['id'];
+                            } else {
+                                $stmt2 = $conn->prepare("INSERT INTO subjects (name, teacher, room) VALUES (?, ?, ?)");
+                                $stmt2->bind_param("sss", $materiaCompleta, $docente, $laboratorio);
+                                $stmt2->execute();
+                                $subject_id = $conn->insert_id;
+                                $stmt2->close();
+                                $materie_create[] = "$materiaCompleta ($docente - $laboratorio)";
+                            }
+                            $stmt->close();
+                            
+                            // Inserisci in timetable
+                            $stmt3 = $conn->prepare("INSERT INTO timetable (class_id, day, hour, subject_id) VALUES (?, ?, ?, ?)");
+                            $stmt3->bind_param("isii", $classe_id, $giorno, $ora, $subject_id);
+                            $stmt3->execute();
+                            $stmt3->close();
+                            $inserimenti++;
+                        }
+                    }
+                    // Caso 2: Più docenti, un laboratorio (o nessuno) → stesso laboratorio per tutti
+                    else if (count($laboratori) <= 1) {
+                        $laboratorio = count($laboratori) > 0 ? $laboratori[0] : null;
+                        
+                        foreach ($docenti as $docente) {
+                            // Cerca/crea materia
+                            if ($laboratorio) {
+                                $stmt = $conn->prepare("SELECT id FROM subjects WHERE name = ? AND teacher = ? AND room = ?");
+                                $stmt->bind_param("sss", $materiaCompleta, $docente, $laboratorio);
+                            } else {
+                                $stmt = $conn->prepare("SELECT id FROM subjects WHERE name = ? AND teacher = ? AND (room IS NULL OR room = '')");
+                                $stmt->bind_param("ss", $materiaCompleta, $docente);
+                            }
+                            
+                            $stmt->execute();
+                            $result = $stmt->get_result();
+                            
+                            if ($result->num_rows > 0) {
+                                $subject_id = $result->fetch_assoc()['id'];
+                            } else {
+                                $stmt2 = $conn->prepare("INSERT INTO subjects (name, teacher, room) VALUES (?, ?, ?)");
+                                $stmt2->bind_param("sss", $materiaCompleta, $docente, $laboratorio);
+                                $stmt2->execute();
+                                $subject_id = $conn->insert_id;
+                                $stmt2->close();
+                                $materie_create[] = "$materiaCompleta ($docente" . ($laboratorio ? " - $laboratorio" : "") . ")";
+                            }
+                            $stmt->close();
+                            
+                            // Inserisci in timetable
+                            $stmt3 = $conn->prepare("INSERT INTO timetable (class_id, day, hour, subject_id) VALUES (?, ?, ?, ?)");
+                            $stmt3->bind_param("isii", $classe_id, $giorno, $ora, $subject_id);
+                            $stmt3->execute();
+                            $stmt3->close();
+                            $inserimenti++;
+                        }
+                    }
+                    // Caso 3: Più laboratori che docenti → usa il primo laboratorio per tutti
+                    else {
+                        $laboratorio = $laboratori[0];
+                        
+                        foreach ($docenti as $docente) {
+                            $stmt = $conn->prepare("SELECT id FROM subjects WHERE name = ? AND teacher = ? AND room = ?");
+                            $stmt->bind_param("sss", $materiaCompleta, $docente, $laboratorio);
+                            $stmt->execute();
+                            $result = $stmt->get_result();
+                            
+                            if ($result->num_rows > 0) {
+                                $subject_id = $result->fetch_assoc()['id'];
+                            } else {
+                                $stmt2 = $conn->prepare("INSERT INTO subjects (name, teacher, room) VALUES (?, ?, ?)");
+                                $stmt2->bind_param("sss", $materiaCompleta, $docente, $laboratorio);
+                                $stmt2->execute();
+                                $subject_id = $conn->insert_id;
+                                $stmt2->close();
+                                $materie_create[] = "$materiaCompleta ($docente - $laboratorio)";
+                            }
+                            $stmt->close();
+                            
+                            $stmt3 = $conn->prepare("INSERT INTO timetable (class_id, day, hour, subject_id) VALUES (?, ?, ?, ?)");
+                            $stmt3->bind_param("isii", $classe_id, $giorno, $ora, $subject_id);
+                            $stmt3->execute();
+                            $stmt3->close();
+                            $inserimenti++;
+                        }
+                    }
+                }
+            }
+            
+            $message = "Importazione completata con successo!<br>";
+            $message .= "- Inserite $inserimenti ore di lezione<br>";
+            if (count($materie_create) > 0) {
+                $message .= "- Create " . count($materie_create) . " nuove materie";
+            }
+            $messageType = "success";
+            
+        } catch (Exception $e) {
+            $message = "Errore durante l'importazione: " . htmlspecialchars($e->getMessage());
+            $messageType = "error";
+        }
+    }
+}
+?>
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Importa Orario</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="stylesheet" href="style.css">
+    <style>
+        .import-form {
+            max-width: 600px;
+            margin: 20px auto;
+            padding: 20px;
+            background: #f9f9f9;
+            border-radius: 8px;
+        }
+        .form-group {
+            margin-bottom: 15px;
+        }
+        .form-group label {
+            display: block;
+            margin-bottom: 5px;
+            font-weight: bold;
+        }
+        .form-group input,
+        .form-group select {
+            width: 100%;
+            padding: 8px;
+            border: 1px solid #ccc;
+            border-radius: 4px;
+            box-sizing: border-box;
+        }
+        .form-group small {
+            display: block;
+            margin-top: 5px;
+            color: #666;
+            font-size: 0.9em;
+        }
+        .message {
+            padding: 15px;
+            margin: 20px 0;
+            border-radius: 5px;
+        }
+        .message.success {
+            background: #d4edda;
+            color: #155724;
+            border: 1px solid #c3e6cb;
+        }
+        .message.error {
+            background: #f8d7da;
+            color: #721c24;
+            border: 1px solid #f5c6cb;
+        }
+        .warning-box {
+            background: #fff3cd;
+            border: 1px solid #ffc107;
+            padding: 15px;
+            margin: 20px 0;
+            border-radius: 5px;
+        }
+        .warning-box strong {
+            color: #856404;
+        }
+    </style>
+</head>
+<body>
+
+<div class="navbar">
+    <div class="logo">Admin Dashboard</div>
+    <div class="links">
+        <a href="index.php">Dashboard</a>
+        <a href="logout.php">Logout</a>
+    </div>
+</div>
+
+<div class="admin-container">
+    <h1>Importa Orario da Sistema Esterno</h1>
+    <a href="index.php" class="back-link">⬅ Torna al Dashboard</a>
+
+    <?php if ($message): ?>
+        <div class="message <?php echo $messageType; ?>">
+            <?php echo $message; ?>
+        </div>
+    <?php endif; ?>
+
+    <div class="warning-box">
+        <strong>Attenzione:</strong> L'importazione cancellerà l'orario esistente della classe selezionata 
+        e lo sostituirà con i dati importati dal sistema esterno. 
+        Verranno create automaticamente le materie mancanti.
+    </div>
+
+    <div class="import-form">
+        <h2>Configura Importazione</h2>
+        <form method="POST">
+            <div class="form-group">
+                <label for="classe_id">Classe di destinazione *</label>
+                <select name="classe_id" id="classe_id" required>
+                    <option value="">-- Seleziona classe --</option>
+                    <?php
+                    $res = $conn->query("SELECT * FROM classes ORDER BY name ASC");
+                    while ($row = $res->fetch_assoc()) {
+                        echo "<option value='{$row['id']}'>{$row['name']}</option>";
+                    }
+                    ?>
+                </select>
+                <small>Classe nel tuo database dove importare l'orario</small>
+            </div>
+
+            <div class="form-group">
+                <label for="classe_codice">Codice classe sorgente *</label>
+                <input type="text" name="classe_codice" id="classe_codice" 
+                       placeholder="es: 1A, 2B, 3BIN..." required>
+                <small>Codice della classe nel sistema esterno</small>
+            </div>
+
+            <div class="form-group">
+                <label for="api_url">URL API Node.js</label>
+                <input type="text" name="api_url" id="api_url" 
+                       value="http://localhost:3006/classe" required>
+                <small>Endpoint dell'API Node.js per lo scraping</small>
+            </div>
+
+            <button type="submit" name="import" style="width: 100%; padding: 12px; font-size: 16px;">
+                🔄 Importa Orario
+            </button>
+        </form>
+    </div>
+
+    <div class="admin-container" style="margin-top: 30px;">
+        <h3>Come funziona l'importazione</h3>
+        <ol>
+            <li>Assicurati che il server Node.js sia avviato (<code>node server.js</code>)</li>
+            <li>Seleziona la classe di destinazione nel tuo database</li>
+            <li>Inserisci il codice della classe nel sistema esterno (es: 3BIN, 1A, 5AINF)</li>
+            <li>Clicca su "Importa Orario"</li>
+            <li>Il sistema cancellerà l'orario esistente e importerà i nuovi dati</li>
+        </ol>
+
+        <h3>Gestione casi speciali</h3>
+        <ul>
+            <li><strong>Più docenti, più laboratori</strong>: Associazione 1:1 (docente1→lab1, docente2→lab2)</li>
+            <li><strong>Più docenti, un laboratorio</strong>: Stesso laboratorio per tutti i docenti</li>
+            <li><strong>Più docenti, nessun laboratorio</strong>: Nessun laboratorio per tutti</li>
+            <li><strong>Un docente, più laboratori</strong>: Viene usato il primo laboratorio</li>
+        </ul>
+    </div>
+
+    <p style="text-align: center; margin-top: 30px;">
+        Copyright (C) 2025 EmmeV. - Released under <a href="https://git.vichingo455.freeddns.org/emmev-code/orario/src/branch/stable/LICENSE.txt" target="_blank">GNU AGPL 3.0 License</a>.
+    </p>
+</div>
+
+</body>
+</html>
diff --git a/htdocs/admin/index.php b/htdocs/admin/index.php
index 8b4e1c4..d92825b 100644
--- a/htdocs/admin/index.php
+++ b/htdocs/admin/index.php
@@ -25,11 +25,12 @@ if (!isset($_SESSION['admin'])) {
 
   <!-- Contenuto Dashboard -->
   <div class="dashboard">
-    <h1>Benvenuto, <?php echo $_SESSION['admin']; ?>!</h1>
+    <h1>Benvenuto, <?php echo htmlspecialchars($_SESSION['admin']); ?>!</h1>
     <p>
       <a href="classes.php">Gestisci Classi</a>
       <a href="subjects.php">Gestisci Materie</a>
       <a href="timetable.php">Gestisci Orario</a>
+      <a href="importer.php" style="background: #28a745;">🔄 Importa Orario</a>
       <?php
       if ($_SESSION['auth_type'] === 'local') {
         echo '<a href="password.php">Cambia Password</a>';
@@ -48,4 +49,3 @@ if (!isset($_SESSION['admin'])) {
   </div>
 </body>
 </html>
-
diff --git a/htdocs/laboratori.php b/htdocs/laboratori.php
index 38d8d7e..4f7e205 100644
--- a/htdocs/laboratori.php
+++ b/htdocs/laboratori.php
@@ -63,16 +63,21 @@ if ($res->num_rows === 0) {
 
         if($q->num_rows > 0){
           $subject = null;
-          $entries = [];
+          // FIX: Uso array associativo per evitare duplicati classe+docente
+          $class_teacher_pairs = [];
 
           while($row = $q->fetch_assoc()){
             if($subject === null) {
               $subject = $row['subject_name'];
             }
-            $entries[] = $row['class_name'] . " (" . $row['teacher'] . ")";
+            // Creo una coppia unica classe-docente
+            $pair = $row['class_name'] . " (" . $row['teacher'] . ")";
+            $class_teacher_pairs[$pair] = true; // Uso chiave per evitare duplicati
           }
 
-          // FIX: Gestione corretta di multiple classi
+          // Converto in array e unisco
+          $entries = array_keys($class_teacher_pairs);
+          
           if(count($entries) > 1){
             $last = array_pop($entries);
             $entries_list = implode(", ", $entries) . " e " . $last;
@@ -93,7 +98,7 @@ if ($res->num_rows === 0) {
     ?>
   </table>
 
-  <!-- FIX: Visualizzazione Mobile aggiunta -->
+  <!-- Visualizzazione Mobile -->
   <div class="mobile-schedule">
   <?php foreach($days as $d): ?>
     <div class="day">
@@ -111,15 +116,18 @@ if ($res->num_rows === 0) {
 
         if($q->num_rows > 0):
           $subject = null;
-          $entries = [];
+          $class_teacher_pairs = [];
 
           while($row = $q->fetch_assoc()){
             if($subject === null) {
               $subject = $row['subject_name'];
             }
-            $entries[] = $row['class_name'] . " (" . $row['teacher'] . ")";
+            $pair = $row['class_name'] . " (" . $row['teacher'] . ")";
+            $class_teacher_pairs[$pair] = true;
           }
 
+          $entries = array_keys($class_teacher_pairs);
+          
           if(count($entries) > 1){
             $last = array_pop($entries);
             $entries_list = implode(", ", $entries) . " e " . $last;