May 2026

May 11 Mon
- Senior Final Exams 5/11/2026 – 5/13/2026
  Horizon Science Academy Cleveland High School Events
May 12 Tue
- Senior Final Exams 5/11/2026 – 5/13/2026
  Horizon Science Academy Cleveland High School Events
May 13 Wed
- Senior Final Exams 5/11/2026 – 5/13/2026
  Horizon Science Academy Cleveland High School Events
- Senior's Last 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
May 16 Sat
- Senior Prom - Tentively - Details TBD
  Horizon Science Academy Cleveland High School Events
May 20 Wed
- Department Meetings 2:35 PM – 3:30 PM (In Department Head classrooms)
  Horizon Science Academy Cleveland High School Events
May 25 Mon
- No School & Building Closed - Memorial Day
  Horizon Science Academy Cleveland High School Events
May 26 Tue
- Final Exams - Early Release All Days 5/26/2026 – 5/28/2026
  Horizon Science Academy Cleveland High School Events
May 27 Wed
- Final Exams - Early Release All Days 5/26/2026 – 5/28/2026
  Horizon Science Academy Cleveland High School Events
May 28 Thu
- Final Exams - Early Release All Days 5/26/2026 – 5/28/2026
  Horizon Science Academy Cleveland High School Events
May 29 Fri
- Final Exam Make-up - By Appointment Only
  Horizon Science Academy Cleveland High School Events
- Last Day for Students & Teachers
  Horizon Science Academy Cleveland High School Events