Jefferson High SchoolSchool Calendar

2026-27 Academic Calendar

Key dates, holidays, and events for Jefferson High School.

School at a Glance
Upcoming events & academic holidays
2026-27 Academic Year

OCT

19

Fall Break

NOV

25

Thanksgiving Break

DEC

21

Winter Break

JAN

1

Winter Break

JAN

18

MLK Day

FEB

15

Presidents Day

MAR

22

Spring Break

MAY

21

Quarter 4 ends
View Full 2026-27 Calendar
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 Jefferson High School.

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

October 1, 2026 – October 30, 2026

PSAT 8/9 — Fall

Testing window

October 1, 2026 – October 30, 2026

PSAT/NMSQT — Fall

Testing window

October 1, 2026 – October 30, 2026

SAT — School Day - Fall

Testing window

October 16, 2026

SAT — National

Score release
+58 more national tests this school year

State Assessments

September 14, 2026 – November 13, 2026

ILEARN — Checkpoint One

Testing window
IN

November 16, 2026 – February 5, 2027

ILEARN — Checkpoint Two

Testing window
IN

November 30, 2026 – February 19, 2027

ILEARN — Biology ECA Fall/Winter

Testing window
IN

January 11, 2027 – February 26, 2027

WIDA ACCESS

Testing window
IN

February 8, 2027 – April 9, 2027

ILEARN — Checkpoint Three

Testing window
IN

March 29, 2027 – May 7, 2027

I AM

Testing window
IN
+2 more state assessments this school year
See the full national test & school calendar