Marshalltown High SchoolSchool Calendar

2026-27 Academic Calendar

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

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

DEC

21

No School
Winter Break (No School)

JAN

1

No School
New Year’s Day (No School)

JAN

18

No School
Martin Luther King Jr. Day (No School)

FEB

15

No School
Professional Development Day (No School)

MAY

31

No School
Memorial Day (No School)
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 Marshalltown 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

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
+66 more national tests this school year

State Assessments

September 14, 2026 – October 30, 2026

Dynamic Learning Maps (DLM) — Phase 1

Testing window
IA

November 2, 2026 – December 18, 2026

Dynamic Learning Maps (DLM) — Phase 2

Testing window
IA

February 1, 2027 – March 26, 2027

Alt ELPA Summative

Testing window
IA

February 1, 2027 – March 26, 2027

Dynamic Learning Maps (DLM) — Spring Phase 1

Testing window
IA

February 1, 2027 – March 26, 2027

ELPA21 Summative

Testing window
IA

March 29, 2027 – May 21, 2027

Dynamic Learning Maps (DLM) — Spring Phase 2

Testing window
IA
See the full national test & school calendar