Northern HighSchool Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Northern High.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
SEP
21
Teacher Workday
NOV
2
Required Teacher Workdays
NOV
3
Required Teacher Workdays
JAN
1
Holiday
FEB
10
Required Teacher Workday
APR
2
End of Marking Period
MAY
31
Holiday
JUN
9
Early Release Day, Last Day of School
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 Northern High.
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
August 22, 2026
SAT — National
Test date
August 28, 2026
SAT — National
Registration deadline
September 1, 2026
ACT — National
Late registration deadline
September 1, 2026
SAT — National
Late registration deadline
State Assessments
October 12, 2026 – November 20, 2026
PreACT
Testing window
NC
January 11, 2027 – March 12, 2027
WIDA ACCESS
Testing window
NC
January 11, 2027 – March 12, 2027
WIDA Alternate ACCESS
Testing window
NC
February 23, 2027 – March 5, 2027
ACT — Spring - Window 1
Testing window
NC
March 9, 2027 – March 19, 2027
ACT — Spring - Window 2
Testing window
NC
April 6, 2027 – April 16, 2027
ACT — Spring - Window 3
Testing window
NC