diff --git a/app/core/models_core.py b/app/core/models_core.py
index 8e6f44c6f..670b6566c 100644
--- a/app/core/models_core.py
+++ b/app/core/models_core.py
@@ -129,8 +129,8 @@ class CoreSchool(Base):
     __tablename__ = "core_school"
 
     id: Mapped[PrimaryKey]
-    name: Mapped[str] = mapped_column(String, index=True, nullable=False, unique=True)
-    email_regex: Mapped[str] = mapped_column(String, nullable=False)
+    name: Mapped[str] = mapped_column(String, unique=True)
+    email_regex: Mapped[str] = mapped_column(String)
 
 
 class CoreAssociationMembership(Base):
diff --git a/migrations/versions/27-schools.py b/migrations/versions/27-schools.py
index a58e8d49c..6927e2b8d 100644
--- a/migrations/versions/27-schools.py
+++ b/migrations/versions/27-schools.py
@@ -81,7 +81,7 @@ def upgrade() -> None:
     op.create_table(
         "core_school",
         sa.Column("id", sa.Uuid(), nullable=False, index=True),
-        sa.Column("name", sa.String(), nullable=False, index=True, unique=True),
+        sa.Column("name", sa.String(), nullable=False, unique=True),
         sa.Column("email_regex", sa.String(), nullable=False),
         sa.PrimaryKeyConstraint("id"),
     )