Mount Vernon High SchoolSchool Calendar

2026-27 Academic Calendar

Key dates, holidays, and events for Mount Vernon High School.

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

AUG

26

Business Meeting

AUG

27

Superintendent's Conference Days

SEP

1

Labor Day Holiday

SEP

2

Convocation

SEP

3

Schools open

SEP

8

First full day for pre-K/Kindergarten

SEP

16

Work Session

SEP

23

Rosh Hashanah

SEP

24

Rosh Hashanah

SEP

30

Business Meeting

OCT

2

Yom Kippur

OCT

13

Columbus Day

OCT

14

Work Session

OCT

28

Business Meeting

NOV

4

Superintendent's Conference Day

NOV

4

Work Session

NOV

11

Veterans Day

NOV

25

Business Meeting

NOV

26

Early Dismissal Day

NOV

27

Thanksgiving Recess

DEC

9

Work Session

DEC

16

Business Meeting

DEC

22

Winter Recess

DEC

24

Winter Recess

JAN

1

New Year's Day

JAN

2

No School
District closed

JAN

13

Work Session

JAN

19

MLK Holiday

JAN

20

NYS Regents Period

JAN

29

Business Meeting

FEB

10

Work Session

FEB

16

Mid-Winter Recess

FEB

16

President's Day

FEB

17

Lunar New Year

FEB

17

Mid-Winter Recess

FEB

24

Business Meeting

MAR

10

Work Session

MAR

20

Eid-al-Fitr

MAR

24

Business Meeting

MAR

30

Spring Recess

APR

1

Spring Recess

APR

2

Spring Recess

APR

3

Spring Recess

APR

7

Work Session

APR

28

Business Meeting

MAY

5

Budget Public Hearing

MAY

19

Work Session/Special Meeting; Budget/Vote and Trustee Election

MAY

25

Memorial Day

MAY

26

Business Meeting

JUN

9

NYS Regents

JUN

9

Work Session

JUN

16

Special Meeting for Budget Revote if needed

JUN

19

Juneteenth

JUN

23

Business Meeting
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 Mount Vernon 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

August 22, 2026

SAT — National

Test date

August 24, 2026 – October 28, 2026

TACHS — Registration

Registration deadline
NY

August 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline
+81 more national tests this school year

State Assessments

January 26, 2027 – January 29, 2027

New York Regents — January 2027

Testing window
NY

February 1, 2027 – April 9, 2027

WIDA ACCESS

Testing window
NY

February 1, 2027 – April 9, 2027

WIDA Alternate ACCESS

Testing window
NY

March 8, 2027 – June 11, 2027

NYSAA

Testing window
NY

April 5, 2027 – May 14, 2027

New York State Assessments — Grades 3-8

Testing window
NY

June 15, 2027 – June 25, 2027

New York Regents — June 2027

Testing window
NY
+1 more state assessments this school year
See the full national test & school calendar