Shelton High SchoolSchool Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Shelton High School.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
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)
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
November 14, 2026
SSAT — Standard Paper
Test date
November 20, 2026
SAT — National
Score release
November 20, 2026
SAT — National
Registration deadline
November 24, 2026
SAT — National
Late registration deadline
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