diff --git a/apps/api/views/admin_dashboard.py b/apps/api/views/admin_dashboard.py
index 3a6f70d..06df6b6 100644
--- a/apps/api/views/admin_dashboard.py
+++ b/apps/api/views/admin_dashboard.py
@@ -8,6 +8,7 @@ from django.db.models.functions import TruncDate
 
 from apps.account.models import User, LoginHistory
 from apps.course.models import Course, Participant, CourseLiveSession
+from apps.course.models.course import extract_text_from_json
 from apps.quiz.models import QuizParticipant
 from apps.blog.models import Blog
 from apps.chat.models import ChatMessage, RoomMessage
@@ -31,7 +32,7 @@ class AdminDashboardStatsView(APIView):
             is_active=True
         ).count()
         professors = User.objects.filter(user_type=User.UserType.PROFESSOR, is_active=True).count()
-        active_courses = Course.objects.filter(status=Course.StatusChoices.ONGOING).count()
+        active_courses = Course.objects.filter(status__contains=[{"title": Course.StatusChoices.ONGOING}]).count()
         total_blogs = Blog.objects.count()
         pending_certificates = Certificate.objects.filter(status='pending').count()
         active_live_sessions = CourseLiveSession.objects.filter(ended_at__isnull=True).count()
@@ -84,10 +85,9 @@ class AdminDashboardStatsView(APIView):
         chat_chart = [{"date": item['date'].strftime('%Y-%m-%d'), "messages": item['count']} for item in chat_volume]
 
         # Course Pipeline (Stacked Bar)
-        course_statuses = Course.objects.values('status').annotate(count=Count('id'))
         course_pipeline = {"name": "Courses"}
-        for status in course_statuses:
-            course_pipeline[status['status']] = status['count']
+        for choice in Course.StatusChoices.values:
+            course_pipeline[choice] = Course.objects.filter(status__contains=[{"title": choice}]).count()
 
         # Course Efficacy: Completed vs Enrolled (Bar Chart)
         # We take the top 5 courses, check how many users are enrolled, and how many have at least 1 completed lesson
@@ -99,8 +99,9 @@ class AdminDashboardStatsView(APIView):
                 course=course, 
                 student__lesson_completions__course_lesson__course=course
             ).distinct().count()
+            title_text = extract_text_from_json(course.title)
             course_efficacy.append({
-                "title": course.title[:20] + "..." if len(course.title) > 20 else course.title,
+                "title": title_text[:20] + "..." if len(title_text) > 20 else title_text,
                 "enrolled": enrolled,
                 "completed": completed
             })
@@ -113,7 +114,7 @@ class AdminDashboardStatsView(APIView):
         top_courses_list = [
             {
                 "id": c.id,
-                "title": c.title,
+                "title": extract_text_from_json(c.title),
                 "professor": c.professor.fullname if c.professor else "Unknown",
                 "participants": c.participant_count
             } for c in top_courses_qs
diff --git a/apps/certificate/serializers.py b/apps/certificate/serializers.py
index a8d405d..cce380b 100644
--- a/apps/certificate/serializers.py
+++ b/apps/certificate/serializers.py
@@ -50,7 +50,7 @@ class CertificateRequestSerializer(serializers.ModelSerializer):
 class AdminCertificateSerializer(serializers.ModelSerializer):
     student_name = serializers.CharField(source='student.fullname', read_only=True)
     student_email = serializers.CharField(source='student.email', read_only=True)
-    course_title = serializers.CharField(source='course.title', read_only=True)
+    course_title = serializers.SerializerMethodField()
 
     class Meta:
         model = Certificate
@@ -60,6 +60,14 @@ class AdminCertificateSerializer(serializers.ModelSerializer):
             'created_at', 'updated_at'
         ]
 
+    def get_course_title(self, obj):
+        if not obj.course:
+            return None
+        request = self.context.get('request')
+        lang = getattr(request, 'LANGUAGE_CODE', None) or 'en'
+        from apps.course.models.course import get_localized_field
+        return get_localized_field(lang, obj.course.title)
+
 
 
 
diff --git a/apps/course/serializers/admin.py b/apps/course/serializers/admin.py
index 5474599..3603fc0 100644
--- a/apps/course/serializers/admin.py
+++ b/apps/course/serializers/admin.py
@@ -15,23 +15,46 @@ from apps.course.models import (
     LiveSessionRecording
 )
 from apps.account.models import ProfessorUser
-from apps.course.models.course import extract_text_from_json
+from apps.course.models.course import extract_text_from_json, get_localized_field
+
+def get_request_lang(serializer_instance):
+    request = serializer_instance.context.get('request')
+    return getattr(request, 'LANGUAGE_CODE', None) or 'en'
 
 class AdminLessonSerializer(serializers.ModelSerializer):
     class Meta:
         model = Lesson
         fields = '__all__'
 
+    def to_representation(self, instance):
+        ret = super().to_representation(instance)
+        lang = get_request_lang(self)
+        ret['title'] = get_localized_field(lang, instance.title)
+        ret['content_type'] = get_localized_field(lang, instance.content_type)
+        return ret
+
 class AdminGlossarySerializer(serializers.ModelSerializer):
     class Meta:
         model = Glossary
         fields = '__all__'
 
+    def to_representation(self, instance):
+        ret = super().to_representation(instance)
+        lang = get_request_lang(self)
+        ret['description'] = get_localized_field(lang, instance.description)
+        return ret
+
 class AdminAttachmentSerializer(serializers.ModelSerializer):
     class Meta:
         model = Attachment
         fields = '__all__'
 
+    def to_representation(self, instance):
+        ret = super().to_representation(instance)
+        lang = get_request_lang(self)
+        ret['title'] = get_localized_field(lang, instance.title)
+        return ret
+
 
 def serialize_file(value, serializer):
     if not value:
@@ -47,6 +70,13 @@ class AdminCourseCategorySerializer(serializers.ModelSerializer):
         model = CourseCategory
         fields = ['id', 'name', 'slug']
 
+    def to_representation(self, instance):
+        ret = super().to_representation(instance)
+        lang = get_request_lang(self)
+        ret['name'] = get_localized_field(lang, instance.name)
+        ret['slug'] = get_localized_field(lang, instance.slug)
+        return ret
+
 class AdminCourseListSerializer(serializers.ModelSerializer):
     category_name = serializers.SerializerMethodField()
     professor_name = serializers.CharField(source='professor.fullname', read_only=True)
@@ -84,7 +114,19 @@ class AdminCourseListSerializer(serializers.ModelSerializer):
         return get_thumbs(obj.thumbnail, self.context.get('request'))
 
     def get_category_name(self, obj):
-        return extract_text_from_json(obj.category.name) if obj.category else ""
+        if not obj.category:
+            return ""
+        lang = get_request_lang(self)
+        return get_localized_field(lang, obj.category.name)
+
+    def to_representation(self, instance):
+        ret = super().to_representation(instance)
+        lang = get_request_lang(self)
+        ret['title'] = get_localized_field(lang, instance.title)
+        ret['slug'] = get_localized_field(lang, instance.slug)
+        ret['level'] = get_localized_field(lang, instance.level)
+        ret['status'] = get_localized_field(lang, instance.status)
+        return ret
 
 
 class AdminCourseDetailSerializer(serializers.ModelSerializer):
@@ -135,7 +177,21 @@ class AdminCourseDetailSerializer(serializers.ModelSerializer):
         return obj.participants.count()
 
     def get_category_name(self, obj):
-        return extract_text_from_json(obj.category.name) if obj.category else ""
+        if not obj.category:
+            return ""
+        lang = get_request_lang(self)
+        return get_localized_field(lang, obj.category.name)
+
+    def to_representation(self, instance):
+        ret = super().to_representation(instance)
+        lang = get_request_lang(self)
+        ret['title'] = get_localized_field(lang, instance.title)
+        ret['slug'] = get_localized_field(lang, instance.slug)
+        ret['level'] = get_localized_field(lang, instance.level)
+        ret['status'] = get_localized_field(lang, instance.status)
+        ret['timing'] = get_localized_field(lang, instance.timing)
+        ret['features'] = get_localized_field(lang, instance.features)
+        return ret
 
 
 class AdminCourseChapterSerializer(serializers.ModelSerializer):
@@ -144,6 +200,12 @@ class AdminCourseChapterSerializer(serializers.ModelSerializer):
         fields = ['id', 'course', 'title', 'priority', 'is_active', 'created_at']
         read_only_fields = ['id', 'created_at']
 
+    def to_representation(self, instance):
+        ret = super().to_representation(instance)
+        lang = get_request_lang(self)
+        ret['title'] = get_localized_field(lang, instance.title)
+        return ret
+
 
 class AdminCourseLessonSerializer(serializers.Serializer):
     id = serializers.IntegerField(read_only=True)
@@ -168,15 +230,23 @@ class AdminCourseLessonSerializer(serializers.Serializer):
         Map a CourseLesson instance to representation fields.
         """
         lesson_obj = instance.lesson
+        lang = get_request_lang(self)
+        
+        raw_title = instance.title or (lesson_obj.title if lesson_obj else [])
+        localized_title = get_localized_field(lang, raw_title)
+        
+        raw_content_type = lesson_obj.content_type if lesson_obj else []
+        localized_content_type = get_localized_field(lang, raw_content_type)
+        
         return {
             'id': instance.id,
             'course': instance.course_id,
             'chapter': instance.chapter_id,
             'lesson': instance.lesson_id,
-            'title': instance.title or (lesson_obj.title if lesson_obj else []),
+            'title': localized_title,
             'priority': instance.priority,
             'is_active': instance.is_active,
-            'content_type': lesson_obj.content_type if lesson_obj else [],
+            'content_type': localized_content_type,
             'content_file': serialize_file(lesson_obj.content_file, self) if lesson_obj and lesson_obj.content_file else None,
             'video_link': lesson_obj.video_link if lesson_obj else "",
             'duration': lesson_obj.duration if lesson_obj else 0,
@@ -273,11 +343,14 @@ class AdminCourseAttachmentSerializer(serializers.Serializer):
 
     def to_representation(self, instance):
         attachment_obj = instance.attachment
+        lang = get_request_lang(self)
+        raw_title = attachment_obj.title if attachment_obj else []
+        localized_title = get_localized_field(lang, raw_title)
         return {
             'id': instance.id,
             'course': instance.course_id,
             'attachment': instance.attachment_id,
-            'title': attachment_obj.title if attachment_obj else [],
+            'title': localized_title,
             'file': serialize_file(attachment_obj.file, self) if attachment_obj and attachment_obj.file else None,
             'file_size': attachment_obj.file_size if attachment_obj else 0
         }
@@ -339,12 +412,15 @@ class AdminCourseGlossarySerializer(serializers.Serializer):
 
     def to_representation(self, instance):
         glossary_obj = instance.glossary
+        lang = get_request_lang(self)
+        raw_description = glossary_obj.description if glossary_obj else []
+        localized_description = get_localized_field(lang, raw_description)
         return {
             'id': instance.id,
             'course': instance.course_id,
             'glossary': instance.glossary_id,
             'title': glossary_obj.title if glossary_obj else "",
-            'description': glossary_obj.description if glossary_obj else []
+            'description': localized_description
         }
 
     def create(self, validated_data):
@@ -411,19 +487,25 @@ class AdminLiveSessionRecordingSerializer(serializers.ModelSerializer):
 
 
 class AdminLiveSessionListSerializer(serializers.ModelSerializer):
-    course_title = serializers.CharField(source='course.title', read_only=True)
+    course_title = serializers.SerializerMethodField()
     participant_count = serializers.SerializerMethodField()
 
     class Meta:
         model = CourseLiveSession
         fields = ['id', 'course', 'course_title', 'room_id', 'subject', 'started_at', 'ended_at', 'participant_count', 'created_at']
 
+    def get_course_title(self, obj):
+        if not obj.course:
+            return ""
+        lang = get_request_lang(self)
+        return get_localized_field(lang, obj.course.title)
+
     def get_participant_count(self, obj):
         return obj.user_sessions.count()
 
 
 class AdminLiveSessionDetailSerializer(serializers.ModelSerializer):
-    course_title = serializers.CharField(source='course.title', read_only=True)
+    course_title = serializers.SerializerMethodField()
     user_sessions = AdminLiveSessionUserSerializer(many=True, read_only=True)
     recordings = AdminLiveSessionRecordingSerializer(many=True, read_only=True)
     recorded_file = FileFieldSerializer(required=False, allow_null=True)
@@ -431,3 +513,9 @@ class AdminLiveSessionDetailSerializer(serializers.ModelSerializer):
     class Meta:
         model = CourseLiveSession
         fields = ['id', 'course', 'course_title', 'room_id', 'subject', 'started_at', 'ended_at', 'recorded_file', 'user_sessions', 'recordings', 'created_at', 'updated_at']
+
+    def get_course_title(self, obj):
+        if not obj.course:
+            return ""
+        lang = get_request_lang(self)
+        return get_localized_field(lang, obj.course.title)
diff --git a/apps/course/views/course.py b/apps/course/views/course.py
index 66a31c7..f4e39ef 100644
--- a/apps/course/views/course.py
+++ b/apps/course/views/course.py
@@ -37,6 +37,7 @@ from apps.course.models import (
     LiveSessionUser,
     Participant,
 )
+from apps.course.models.course import extract_text_from_json
 from apps.course.doc import *
 from apps.course.services.plugnmeet import PlugNMeetClient, PlugNMeetError
 from apps.account.serializers import UserProfileSerializer
@@ -618,7 +619,7 @@ class CourseOnlineClassTokenValidateAPIView(GenericAPIView):
         }, status=status.HTTP_200_OK)
 
     def _build_metadata(self, course: Course, payload: dict, user=None) -> dict:
-        status_value = course.status
+        status_value = extract_text_from_json(course.status)
         has_started = status_value in [Course.StatusChoices.ONGOING, Course.StatusChoices.FINISHED]
         timing_data = course.timing if isinstance(course.timing, dict) else {}
 
diff --git a/apps/course/views/professor.py b/apps/course/views/professor.py
index 2cdf251..ee514d6 100644
--- a/apps/course/views/professor.py
+++ b/apps/course/views/professor.py
@@ -202,4 +202,4 @@ class ProfessorCourseListAPIView(ListAPIView):
             'lessons__lesson',
             'lessons__completions',
             'participants__student',
-        ).exclude(status=Course.StatusChoices.INACTIVE).filter(professor=professor)
+        ).exclude(status__contains=[{"title": Course.StatusChoices.INACTIVE}]).filter(professor=professor)
diff --git a/apps/quiz/serializers/admin.py b/apps/quiz/serializers/admin.py
index 86a8a1e..c5c21d2 100644
--- a/apps/quiz/serializers/admin.py
+++ b/apps/quiz/serializers/admin.py
@@ -2,6 +2,11 @@ from rest_framework import serializers
 from apps.quiz.models import Quiz, Question, QuizParticipant, ParticipantAnswer
 from apps.course.models import Course, CourseLesson
 from apps.account.models import User
+from apps.course.models.course import get_localized_field
+
+def get_request_lang(serializer_instance):
+    request = serializer_instance.context.get('request')
+    return getattr(request, 'LANGUAGE_CODE', None) or 'en'
 
 
 class AdminCourseSerializer(serializers.ModelSerializer):
@@ -9,6 +14,12 @@ class AdminCourseSerializer(serializers.ModelSerializer):
         model = Course
         fields = ['id', 'title']
 
+    def to_representation(self, instance):
+        ret = super().to_representation(instance)
+        lang = get_request_lang(self)
+        ret['title'] = get_localized_field(lang, instance.title)
+        return ret
+
 
 class AdminCourseLessonSerializer(serializers.ModelSerializer):
     title = serializers.SerializerMethodField()
@@ -19,11 +30,9 @@ class AdminCourseLessonSerializer(serializers.ModelSerializer):
         ref_name = 'QuizAdminCourseLesson'
 
     def get_title(self, obj):
-        if obj.title:
-            return obj.title
-        if obj.lesson:
-            return obj.lesson.title
-        return f"Lesson {obj.id}"
+        lang = get_request_lang(self)
+        raw_title = obj.title or (obj.lesson.title if obj.lesson else [])
+        return get_localized_field(lang, raw_title)
 
 
 class AdminQuizListSerializer(serializers.ModelSerializer):
@@ -55,12 +64,17 @@ class AdminQuizListSerializer(serializers.ModelSerializer):
         return obj.participants.count()
 
     def get_course_title(self, obj):
-        return obj.course.title if obj.course else None
+        if not obj.course:
+            return None
+        lang = get_request_lang(self)
+        return get_localized_field(lang, obj.course.title)
 
     def get_lesson_title(self, obj):
         if not obj.lesson:
             return None
-        return obj.lesson.title or (obj.lesson.lesson.title if obj.lesson.lesson else None)
+        lang = get_request_lang(self)
+        raw_title = obj.lesson.title or (obj.lesson.lesson.title if obj.lesson.lesson else None)
+        return get_localized_field(lang, raw_title)
 
 
 class AdminQuizDetailSerializer(serializers.ModelSerializer):
@@ -93,12 +107,17 @@ class AdminQuizDetailSerializer(serializers.ModelSerializer):
         return obj.participants.count()
 
     def get_course_title(self, obj):
-        return obj.course.title if obj.course else None
+        if not obj.course:
+            return None
+        lang = get_request_lang(self)
+        return get_localized_field(lang, obj.course.title)
 
     def get_lesson_title(self, obj):
         if not obj.lesson:
             return None
-        return obj.lesson.title or (obj.lesson.lesson.title if obj.lesson.lesson else None)
+        lang = get_request_lang(self)
+        raw_title = obj.lesson.title or (obj.lesson.lesson.title if obj.lesson.lesson else None)
+        return get_localized_field(lang, raw_title)
 
 
 class AdminQuestionSerializer(serializers.ModelSerializer):
diff --git a/apps/transaction/serializers.py b/apps/transaction/serializers.py
index e243f1b..1e49e32 100644
--- a/apps/transaction/serializers.py
+++ b/apps/transaction/serializers.py
@@ -127,7 +127,7 @@ class AdminParticipantInfoSerializer(serializers.ModelSerializer):
 class AdminTransactionSerializer(serializers.ModelSerializer):
     user_name = serializers.CharField(source='user.fullname', read_only=True)
     user_email = serializers.CharField(source='user.email', read_only=True)
-    course_title = serializers.CharField(source='course.title', read_only=True)
+    course_title = serializers.SerializerMethodField()
     receipts = AdminTransactionReceiptSerializer(many=True, read_only=True)
     participant_infos = AdminParticipantInfoSerializer(many=True, read_only=True)
 
@@ -144,4 +144,12 @@ class AdminTransactionSerializer(serializers.ModelSerializer):
             'id', 'user', 'user_name', 'user_email',
             'course', 'course_title', 'price', 'payment_method',
             'participant_infos', 'receipts', 'created_at', 'updated_at'
-        ]
\ No newline at end of file
+        ]
+
+    def get_course_title(self, obj):
+        if not obj.course:
+            return None
+        request = self.context.get('request')
+        lang = getattr(request, 'LANGUAGE_CODE', None) or 'en'
+        from apps.course.models.course import get_localized_field
+        return get_localized_field(lang, obj.course.title)
\ No newline at end of file