Hillside Colony High School - 07School Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Hillside Colony High School - 07.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
JUN
10
Last Day of School for Students
Calendar TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Hillside Colony High School - 07.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
Testing window
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
Testing window
September 22, 2026
SAT — National
Late registration deadline
September 25, 2026
SAT — National
Score release
September 29, 2026
ACT — National
Late registration deadline
October 1, 2026 – October 30, 2026
PSAT 8/9 — Fall
Testing window
State Assessments
January 25, 2027 – February 26, 2027
SD English Language Proficiency Assessment (ACCESS 2.0)
Testing window
SD
March 9, 2027 – April 16, 2027
SD-ACT
Testing window
SD