O'connor High SchoolSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for O'connor High School.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
MAY
16
OC Prom 2026
MAY
21
Last Day of School
MAY
30
OC / ASTA Graduation Day
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!