diff --git a/api/v1/serializers/school.py b/api/v1/serializers/school.py
index 29e76ad1..fa3b0a4f 100644
--- a/api/v1/serializers/school.py
+++ b/api/v1/serializers/school.py
@@ -15,6 +15,7 @@ class SchoolScheduleSerializer(serializers.ModelSerializer):
             'materials',
             'age',
             'month_price',
+            'day_discount',
         )
 
         read_only_fields = (