December
2025
Horizon Science Academy Cleveland High School Events
Dec
10
Wed
Grade-Level Meeting
2:35 PM
–
3:30 PM (In Grade Chair classrooms)
Horizon Science Academy Cleveland High School Events
Dec
15
Mon
Mid-Term Exams - Early Release
12/15/2025
–
12/17/2025
Horizon Science Academy Cleveland High School Events
Dec
16
Tue
Mid-Term Exams - Early Release
12/15/2025
–
12/17/2025
Horizon Science Academy Cleveland High School Events
Dec
17
Wed
Mid-Term Exams - Early Release
12/15/2025
–
12/17/2025
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
Dec
18
Thu
Mid-Term Make-up Exams
12/18/2025
–
12/19/2025
Horizon Science Academy Cleveland High School Events
Dec
19
Fri
Mid-Term Make-up Exams
12/18/2025
–
12/19/2025
Horizon Science Academy Cleveland High School Events
Dec
22
Mon
No School & Building Closed - Winter Break
12/22/2025
–
1/2/2026
Horizon Science Academy Cleveland High School Events
Dec
23
Tue
No School & Building Closed - Winter Break
12/22/2025
–
1/2/2026
Horizon Science Academy Cleveland High School Events
Dec
24
Wed
No School & Building Closed - Winter Break
12/22/2025
–
1/2/2026
Horizon Science Academy Cleveland High School Events
Dec
25
Thu
No School & Building Closed - Winter Break
12/22/2025
–
1/2/2026
Horizon Science Academy Cleveland High School Events
Dec
26
Fri
No School & Building Closed - Winter Break
12/22/2025
–
1/2/2026
Horizon Science Academy Cleveland High School Events
Dec
27
Sat
No School & Building Closed - Winter Break
12/22/2025
–
1/2/2026
Horizon Science Academy Cleveland High School Events
Dec
28
Sun
No School & Building Closed - Winter Break
12/22/2025
–
1/2/2026
Horizon Science Academy Cleveland High School Events
Dec
29
Mon
No School & Building Closed - Winter Break
12/22/2025
–
1/2/2026
Horizon Science Academy Cleveland High School Events
Dec
30
Tue
No School & Building Closed - Winter Break
12/22/2025
–
1/2/2026
Horizon Science Academy Cleveland High School Events
Dec
31
Wed
No School & Building Closed - Winter Break
12/22/2025
–
1/2/2026
Horizon Science Academy Cleveland High School Events