Mississinewa High SchoolSchool Calendar

2026-27 Academic Calendar

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

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

AUG

3

Teacher Day

AUG

5

First Student Day

SEP

7

No School
Labor Day/No School

SEP

25

eLearning Day

OCT

7

End of 1st Grading Period

OCT

9

eLearning Day/Parent-Teacher Conf

OCT

19

Fall Break

NOV

25

Thanksgiving Break

DEC

18

End of 2nd Grading Period

DEC

21

Christmas Break

JAN

4

School Reconvenes

JAN

18

No School
MLK Day-No School

MAR

10

End of 3rd Grading Period

MAR

19

Spring Break

MAR

30

School Reconvenes

MAY

21

End of 4th Grading/Last School Day

MAY

24

Snow Makeup Days

MAY

30

Commencement
View Full 2026-27 Calendar
Partner 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 Mississinewa High School.

National Tests

August 7, 2026

SAT — National

Registration deadline

August 11, 2026

SAT — National

Late registration deadline

August 14, 2026

ACT — National

Registration deadline

August 22, 2026

SAT — National

Test date

August 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline
+63 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