December 2025

Dec 1 Mon
- No School for Students- Professional Development Day
  Horizon Science Academy Columbus Middle School Events
Dec 6 Sat
- CYSP-Weekend School 8:30 AM – 11:30 AM
  Horizon Science Academy Columbus Middle School Events
Dec 12 Fri
- PBIS permission slips due
  Horizon Science Academy Columbus Middle School Events
Dec 13 Sat
- Columbus Board Meeting 9:30 AM – 1 PM (3592 Corporate Dr, Columbus, OH 43231, USA)
  Horizon Science Academy Columbus Middle School Events
Dec 17 Wed
- CYSP-Parent/student Community Service Project 4 PM – 5:15 PM
  Horizon Science Academy Columbus Middle School Events
Dec 19 Fri
- Final Friday (Literacy) 4 PM – 5 PM
  Horizon Science Academy Columbus Middle School Events
- Family Dinner (RSVP required) 5 PM – 6 PM
  Horizon Science Academy Columbus Middle School Events
Dec 22 Mon
- Winter Break Dec. 22 to Jan. 2
  Horizon Science Academy Columbus Middle School Events
Dec 24 Wed
- Christmas Eve
  Horizon Science Academy Columbus Middle School Events
Dec 25 Thu
- Christmas Day
  Horizon Science Academy Columbus Middle School Events
Dec 31 Wed
- New Year's Eve
  Horizon Science Academy Columbus Middle School Events