diff --git a/api/src/Kurs.Platform.DbMigrator/Seeds/PlatformDataSeeder.cs b/api/src/Kurs.Platform.DbMigrator/Seeds/PlatformDataSeeder.cs
index 9a8b1f82..62244a73 100644
--- a/api/src/Kurs.Platform.DbMigrator/Seeds/PlatformDataSeeder.cs
+++ b/api/src/Kurs.Platform.DbMigrator/Seeds/PlatformDataSeeder.cs
@@ -24,7 +24,6 @@ using EFCore.BulkExtensions;
 using System.Collections.Generic;
 using Kurs.Platform.Contacts;
 using static Kurs.Settings.SettingsConsts;
-using DocumentFormat.OpenXml.Wordprocessing;
 
 namespace Kurs.Platform.Data.Seeds;
 
@@ -69,6 +68,7 @@ public class PlatformDataSeeder : IDataSeedContributor, ITransientDependency
     private readonly IRepository<Service, Guid> _servicesRepository;
     private readonly IRepository<About, Guid> _aboutRepository;
     private readonly IRepository<Contact, Guid> _contactRepository;
+    private readonly IRepository<Classroom, Guid> _classroomRepository;
 
     public PlatformDataSeeder(
         IRepository<Language, Guid> languages,
@@ -100,16 +100,17 @@ public class PlatformDataSeeder : IDataSeedContributor, ITransientDependency
         IRepository<BlogPost, Guid> blogPostsRepository,
         IRepository<ForumCategory, Guid> forumCategoryRepository,
         IRepository<AiBot, Guid> aiBotRepository,
-        IRepository<Route, Guid> RouteRepository,
-        IRepository<CustomEndpoint, Guid> CustomEndpointRepository,
-        IRepository<Product, Guid> ProductRepository,
-        IRepository<PaymentMethod, String> PaymentMethodRepository,
-        IRepository<InstallmentOption, Guid> InstallmentOptionRepository,
-        IRepository<CustomComponent, Guid> CustomComponentRepository,
-        IRepository<ReportCategory, Guid> ReportCategoriesRepository,
-        IRepository<Service, Guid> ServicesRepository,
-        IRepository<About, Guid> AboutRepository,
-        IRepository<Contact, Guid> ContactRepository
+        IRepository<Route, Guid> routeRepository,
+        IRepository<CustomEndpoint, Guid> customEndpointRepository,
+        IRepository<Product, Guid> productRepository,
+        IRepository<PaymentMethod, String> paymentMethodRepository,
+        IRepository<InstallmentOption, Guid> installmentOptionRepository,
+        IRepository<CustomComponent, Guid> customComponentRepository,
+        IRepository<ReportCategory, Guid> reportCategoriesRepository,
+        IRepository<Service, Guid> servicesRepository,
+        IRepository<About, Guid> aboutRepository,
+        IRepository<Contact, Guid> contactRepository,
+        IRepository<Classroom, Guid> classroomRepository
         )
     {
         _languages = languages;
@@ -141,16 +142,17 @@ public class PlatformDataSeeder : IDataSeedContributor, ITransientDependency
         _blogPostsRepository = blogPostsRepository;
         _forumCategoryRepository = forumCategoryRepository;
         _aiBotRepository = aiBotRepository;
-        _routeRepository = RouteRepository;
-        _customEndpointRepository = CustomEndpointRepository;
-        _productRepository = ProductRepository;
-        _paymentMethodRepository = PaymentMethodRepository;
-        _installmentOptionRepository = InstallmentOptionRepository;
-        _customComponentRepository = CustomComponentRepository;
-        _reportCategoriesRepository = ReportCategoriesRepository;
-        _servicesRepository = ServicesRepository;
-        _aboutRepository = AboutRepository;
-        _contactRepository = ContactRepository;
+        _routeRepository = routeRepository;
+        _customEndpointRepository = customEndpointRepository;
+        _productRepository = productRepository;
+        _paymentMethodRepository = paymentMethodRepository;
+        _installmentOptionRepository = installmentOptionRepository;
+        _customComponentRepository = customComponentRepository;
+        _reportCategoriesRepository = reportCategoriesRepository;
+        _servicesRepository = servicesRepository;
+        _aboutRepository = aboutRepository;
+        _contactRepository = contactRepository;
+        _classroomRepository = classroomRepository;
     }
 
     private static IConfigurationRoot BuildConfiguration()
@@ -1030,6 +1032,29 @@ public class PlatformDataSeeder : IDataSeedContributor, ITransientDependency
             }
         }
 
+        foreach (var item in items.Classrooms)
+        {
+            var exists = await _classroomRepository.AnyAsync(x => x.Name == item.Name);
+
+            if (!exists)
+            {
+                await _classroomRepository.InsertAsync(new Classroom(
+                    Guid.NewGuid(),
+                    item.Name,
+                    item.Description,
+                    item.Subject,
+                    item.TeacherId,
+                    item.TeacherName,
+                    item.ScheduledStartTime,
+                    item.Duration,
+                    item.MaxParticipants,
+                    item.IsActive,
+                    item.IsScheduled,
+                    item.SettingsJson
+                ));
+            }
+        }
+
         await SeedCountyGroupsAsync();
 
         await SeedCountriesAsync();
diff --git a/api/src/Kurs.Platform.DbMigrator/Seeds/SeederData.json b/api/src/Kurs.Platform.DbMigrator/Seeds/SeederData.json
index 7b157ec6..b079fbcf 100644
--- a/api/src/Kurs.Platform.DbMigrator/Seeds/SeederData.json
+++ b/api/src/Kurs.Platform.DbMigrator/Seeds/SeederData.json
@@ -17674,5 +17674,55 @@
                 "referrerPolicy": "no-referrer-when-downgrade"
             }
         }
+    ],
+    "Classrooms": [
+        {
+            "name": "Matematik 101 - Diferansiyel Denklemler",
+            "description": "İleri matematik konuları ve uygulamaları",
+            "subject": "Matematik",
+            "teacherId": "995220ff-2751-afd6-3d99-3a1bfc55f78e",
+            "teacherName": "Prof. Dr. Mehmet Özkan",
+            "scheduledStartTime": "2025-08-27T10:00:00Z",
+            "actualStartTime": "",
+            "endTime": "",
+            "duration": 90,
+            "maxParticipants": 30,
+            "isActive": false,
+            "isScheduled": true,
+            "participantCount": 0,
+            "settingsJson": null
+        },
+        {
+            "name": "Fizik 201 - Kuantum Mekaniği",
+            "description": "Modern fizik ve kuantum teorisi temelleri",
+            "subject": "Fizik",
+            "teacherId": "995220ff-2751-afd6-3d99-3a1bfc55f78e",
+            "teacherName": "Dr. Ayşe Kaya",
+            "scheduledStartTime": "2025-08-26T10:00:00Z",
+            "actualStartTime": "",
+            "endTime": "",
+            "duration": 120,
+            "maxParticipants": 25,
+            "isActive": false,
+            "isScheduled": true,
+            "participantCount": 0,
+            "settingsJson": null
+        },
+        {
+            "name": "Kimya 301 - Organik Kimya",
+            "description": "Organik bileşikler ve reaksiyon mekanizmaları",
+            "subject": "Kimya",
+            "teacherId": "995220ff-2751-afd6-3d99-3a1bfc55f78e",
+            "teacherName": "Dr. Ali Veli",
+            "scheduledStartTime": "2025-08-28T10:00:00Z",
+            "actualStartTime": "",
+            "endTime": "",
+            "duration": 75,
+            "maxParticipants": 20,
+            "isActive": false,
+            "isScheduled": true,
+            "participantCount": 0,
+            "settingsJson": null
+        }
     ]
 }
diff --git a/api/src/Kurs.Platform.DbMigrator/Seeds/SeederDto.cs b/api/src/Kurs.Platform.DbMigrator/Seeds/SeederDto.cs
index 8e882347..4731f972 100644
--- a/api/src/Kurs.Platform.DbMigrator/Seeds/SeederDto.cs
+++ b/api/src/Kurs.Platform.DbMigrator/Seeds/SeederDto.cs
@@ -46,6 +46,7 @@ public class SeederDto
     public List<ServiceSeedDto> Services { get; set; }
     public List<AboutSeedDto> Abouts { get; set; }
     public List<ContactSeedDto> Contacts { get; set; }
+    public List<ClassroomSeedDto> Classrooms { get; set; }
 }
 
 public class ChartsSeedDto
@@ -324,4 +325,22 @@ public class ContactSeedDto
     public BankDto Bank { get; set; }
     public WorkHoursDto WorkHour { get; set; }
     public MapDto Map { get; set; }
+}
+
+public class ClassroomSeedDto
+{
+    public string Name { get; set; }
+    public string Description { get; set; }
+    public string Subject { get; set; }
+    public Guid? TeacherId { get; set; }
+    public string TeacherName { get; set; }
+    public DateTime ScheduledStartTime { get; set; }
+    public DateTime? ActualStartTime { get; set; }
+    public DateTime? EndTime { get; set; }
+    public int Duration { get; set; }
+    public int MaxParticipants { get; set; }
+    public bool IsActive { get; set; }
+    public bool IsScheduled { get; set; }
+    public int ParticipantCount { get; set; }
+    public string SettingsJson { get; set; }
 }
\ No newline at end of file
diff --git a/ui/dev-dist/sw.js b/ui/dev-dist/sw.js
index 2957e2a8..b68ee707 100644
--- a/ui/dev-dist/sw.js
+++ b/ui/dev-dist/sw.js
@@ -82,7 +82,7 @@ define(['./workbox-54d0af47'], (function (workbox) { 'use strict';
     "revision": "3ca0b8505b4bec776b69afdba2768812"
   }, {
     "url": "index.html",
-    "revision": "0.8cs01edqoio"
+    "revision": "0.cb06g8q0ck8"
   }], {});
   workbox.cleanupOutdatedCaches();
   workbox.registerRoute(new workbox.NavigationRoute(workbox.createHandlerBoundToURL("index.html"), {