September 2026

Sep 7 Mon
- Labor Day - No School & Office Closed
  Horizon Science Academy Cleveland High School Events
Sep 9 Wed
- Picture Day
  Horizon Science Academy Cleveland High School Events
- Grade-Level Meeting 2:35 PM – 3:30 PM (In Grade Chair classrooms)
  Horizon Science Academy Cleveland High School Events
Sep 16 Wed
- Department Meetings 2:35 PM – 3:30 PM (In Department Head classrooms)
  Horizon Science Academy Cleveland High School Events
Sep 25 Fri
- Staff PD - No School for Students
  Horizon Science Academy Cleveland High School Events