diff --git a/app/admin.py b/app/admin.py
index 11b1dcf..e99ed09 100644
--- a/app/admin.py
+++ b/app/admin.py
@@ -122,6 +122,30 @@ class StudentModelAdmin(admin.ModelAdmin):
     list_filter = (StudentYearFilter,)
 
 
+class SchoolYearFilter(admin.SimpleListFilter):
+    title = 'aktualna edycja'
+    parameter_name = 'aktualna edycja'
+
+    def lookups(self, request, model_admin):
+        return (
+            ('Yes', 'Jedynie aktualna edycja'),
+        )
+
+    def queryset(self, request, queryset):
+        value = self.value()
+        year = Edition.current().year
+
+        if value == 'Yes':
+            return queryset.filter(identifier__startswith=str(year))
+
+        return queryset
+
+
+@admin.register(School)
+class SchoolAdmin(admin.ModelAdmin):
+    list_display = ('name', 'in_current', 'email', 'phone')
+
+
 admin.site.register(Student, StudentModelAdmin)
 admin.site.register(Edition, EditionModelAdmin)
 
diff --git a/app/models.py b/app/models.py
index 2ad4f2e..df268d1 100644
--- a/app/models.py
+++ b/app/models.py
@@ -1,6 +1,7 @@
 from django.contrib.auth.models import PermissionsMixin
 from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
 from django.db import models, transaction
+from django.contrib import admin
 from tinymce.models import HTMLField
 
 
@@ -144,6 +145,7 @@ class School(AbstractBaseUser, PermissionsMixin):
     def get_short_name(self):
         return self.email
 
+    # TODO change this case :<
     def updateTeam(self):
         with transaction.atomic():
             identifier = f'{Edition.current().year}-{self.id}-'
@@ -154,6 +156,11 @@ class School(AbstractBaseUser, PermissionsMixin):
                 school_address=self.address
             )
 
+    @admin.display(description='Bierze udział w aktualnej edycji', boolean=True)
+    def in_current(self):
+        identifier = f'{Edition.current().year}-{self.id}-'
+        return Student.objects.filter(identifier__startswith=identifier).exists()
+
     class Meta:
         verbose_name = 'Szkoła'
         verbose_name_plural = 'Szkoły'
diff --git a/puchar/settings.py b/puchar/settings.py
index 828c417..f876239 100644
--- a/puchar/settings.py
+++ b/puchar/settings.py
@@ -92,6 +92,9 @@ X_FRAME_OPTIONS = 'SAMEORIGIN'
 
 DATABASES = {
     'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    } if os.getenv('ENV') == 'dev' else {
         'ENGINE': 'django.db.backends.postgresql_psycopg2',
         'NAME': 'puchar_lo5',
         'USER': os.getenv('DB_USER'),