2026-27 Academic Calendar
Key dates, holidays, and events for Portage Northern High School.
School at a Glance
Upcoming events & academic holidaysJAN
20
End of 1st Semester - No School for Students/Teachers (10 weeks)
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Portage Northern High School.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
October 1, 2026 – October 30, 2026
PSAT 8/9 — Fall
October 1, 2026 – October 30, 2026
PSAT/NMSQT — Fall
October 1, 2026 – October 30, 2026
SAT — School Day - Fall
November 6, 2026
ACT — National
State Assessments
January 25, 2027 – March 26, 2027
WIDA ACCESS
January 25, 2027 – March 26, 2027
WIDA Alternate ACCESS
April 5, 2027 – May 14, 2027
M-STEP — Grade 11 - Science and Social Studies (MME)
April 5, 2027 – April 30, 2027
M-STEP — Paper/Pencil
April 5, 2027 – May 21, 2027
MI-Access Alternate Assessment
April 5, 2027 – April 30, 2027
Michigan Merit Exam (MME) — WIN Work Readiness Assessment