September 2025

Sep 1 Mon
- No School & Building Closed - Labor Day
  Horizon Science Academy Cleveland High School Events
Sep 2 Tue
- 6:00pm Soccer Game HSA @ First Baptist 6 PM – 7 PM (11400 Lagrange Rd, Elyria, OH 44035, USA)
  Horizon Science Academy Cleveland High School Events
- 6:30pm Volleyball Game Lady dragons @ First Baptist 6:30 PM – 7:30 PM (11400 Lagrange Rd, Elyria, OH 44035, USA)
  Horizon Science Academy Cleveland High School Events
Sep 4 Thu
- 5:00pm Volleyball Game Lady Dragons Away@ Andrew Osborne 5 PM – 6 PM (38588 Mentor Ave, Willoughby, OH 44094, USA)
  Horizon Science Academy Cleveland High School Events
Sep 5 Fri
- 5:30pm Volleyball Game Lady dragons Home vs Lady Elms 5:30 PM – 6:30 PM (6000 S Marginal Rd, Cleveland, OH 44103, USA)
  Horizon Science Academy Cleveland High School Events
Sep 8 Mon
- 6:30pm Volleyball Game Lady Dragons Away @Christian Community 6:30 PM – 7:30 PM (35716 Royalton Rd, Grafton, OH 44044, USA)
  Horizon Science Academy Cleveland High School Events
Sep 10 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 11 Thu
- 4:30pm Volleyball Game Home vs Horizon Lorain 4:30 PM – 5:30 PM (6000 S Marginal Rd, Cleveland, OH 44103, USA)
  Horizon Science Academy Cleveland High School Events
Sep 15 Mon
- 5:30pm Volleyball Game Lady dragons Home vs Lake Ridge 5:30 PM – 6:30 PM (6000 S Marginal Rd, Cleveland, OH 44103, USA)
  Horizon Science Academy Cleveland High School Events
Sep 16 Tue
- 5:00pm Soccer Game HSA @ Grand River 5 PM – 6 PM (3042 College St, Austinburg, OH 44010, USA)
  Horizon Science Academy Cleveland High School Events
Sep 17 Wed
- Basketball Open Gym CANCELLED
  Horizon Science Academy Cleveland High School Events
- Department Meetings 2:35 PM – 3:30 PM (In Department Head classrooms)
  Horizon Science Academy Cleveland High School Events
Sep 19 Fri
- 5:00pm Soccer Game HSA @ Mentor Christian 5 PM – 6 PM
  Horizon Science Academy Cleveland High School Events
- 5:00pm Volleyball Game Lady Dragons Home vs Mentor Christian 5 PM – 6 PM (8600 Lakeshore Blvd, Mentor, OH 44060, USA)
  Horizon Science Academy Cleveland High School Events
Sep 20 Sat
- CYSP - Ramseyer Farm Field Trip 8:30 AM – 3:30 PM (Ramseyer Farms, 4000 Ramseyer Ln, Wooster, OH 44691, USA)
  Horizon Science Academy Cleveland High School Events
Sep 22 Mon
- 5:00pm Volleyball Game Lady Dragons Away @St. Martin 5 PM – 6 PM (Saint Martin de Porres High School, 6202 St Clair Ave., Cleveland, OH 44103, USA)
  Horizon Science Academy Cleveland High School Events
Sep 25 Thu
- 5:00pm Soccer Game HSA @Lawrence Upper School (10036 Olde 8 Rd, Northfield, OH 44067, USA)
  Horizon Science Academy Cleveland High School Events
- 5:30pm Volleyball Game Lady Dragons Away @Lawrence Upper School.
  Horizon Science Academy Cleveland High School Events
Sep 26 Fri
- No School - Staff PD Day
  Horizon Science Academy Cleveland High School Events
Sep 29 Mon
- HSA Spirit Week 9/29/2025 – 10/3/2025
  Horizon Science Academy Cleveland High School Events
Sep 30 Tue
- HSA Spirit Week 9/29/2025 – 10/3/2025
  Horizon Science Academy Cleveland High School Events