Mountain Ridge High SchoolSchool Calendar

2026-27 Academic Calendar

Key dates, holidays, and events for Mountain Ridge High School.

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

NOV

11

No School
Veterans Day Observed

NOV

23

No School
Thanksgiving Day recess

DEC

17

Half Day - 9-12 only

DEC

18

Half Day - K-12

DEC

21

No School
Winter Break

JAN

1

No School
Winter Break

JAN

4

No School
Staff Development, No School

JAN

15

Early Release - 90 min

JAN

22

Early Release - 90 min

MAR

22

No School
Spring Break

APR

30

Early Release - 90 min

MAY

25

Last Day of School (Half Day Release)
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 Mountain Ridge 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

March 23, 2027 – March 23, 2027

ACT with Writing — Test Window 1 - Standard Paper

Testing window
AZ

March 29, 2027 – April 23, 2027

ACT Aspire — Computer-Based

Testing window
AZ

March 29, 2027 – April 7, 2027

ACT Aspire — Paper-Based

Testing window
AZ

April 6, 2027 – April 6, 2027

ACT with Writing — Test Window 2 - Standard Paper

Testing window
AZ
See the full national test & school calendar