Shelton High SchoolSchool Calendar

2026-27 Academic Calendar

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

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

SEP

21

No School
Schools Closed, Yom Kippur

OCT

12

No School
District Closed, Columbus Day

OCT

29

Conferences K-4

OCT

30

Early Dismissal/PD 5-12

NOV

3

No School
Schools Closed, Election Day

NOV

11

Early Dismissal/Conferences K-12

NOV

19

Conferences 5-12

NOV

20

Early Dismissal/PD K-4

NOV

25

Early Dismissal

NOV

26

No School
District Closed, Thanksgiving Recess

DEC

22

Early Dismissal

DEC

23

No School
Schools Closed, Holiday Recess

JAN

1

No School
District Closed, New Year’s Day

JAN

18

No School
District Closed, MLK Jr. Day

JAN

27

3 Hour Delay/PD K-12

FEB

12

No School
Schools Closed, Winter Recess

MAR

4

Conferences 5-12

MAR

5

Early Dismissal/PD K-4

MAR

10

Early Dismissal/Conferences K-12

MAR

18

Conferences K-4

MAR

19

Early Dismissal/PD 5-12

MAR

26

No School
District Closed, Good Friday

MAR

31

3 Hour Delay/PD K-12

APR

12

No School
Schools Closed, Spring Break

MAY

31

No School
District Closed, Memorial Day

JUN

9

Early Dismissal (students only)

JUN

10

Early Dismissal (students only)

JUN

11

Early Dismissal (students only)

JUN

14

TENTATIVE Last Day of School, Early Dismissal (students & staff)
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 Shelton 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

February 1, 2027 – May 28, 2027

Next Generation Science Standards Assessment — NGSS

Testing window
CT

March 1, 2027 – April 30, 2027

Connecticut SAT School Day — ELA & Math

Testing window
CT
See the full national test & school calendar