Duncanville High SchoolSchool Calendar

2026-27 Academic Calendar

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

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

NOV

23

No School
Thanksgiving Break

DEC

21

No School
Winter Break

JAN

18

No School
MLK Jr Holiday

MAR

15

No School
Spring Break

MAY

27

Last Day of School

MAY

31

No School
Memorial Day
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 Duncanville 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

October 1, 2026 – October 30, 2026

PSAT 8/9 — Fall

Testing window

October 1, 2026 – October 30, 2026

PSAT/NMSQT — Fall

Testing window

October 1, 2026 – October 30, 2026

SAT — School Day - Fall

Testing window

October 16, 2026

SAT — National

Score release
+58 more national tests this school year

State Assessments

November 30, 2026 – December 11, 2026

STAAR — Fall EOC

Testing window
TX

February 15, 2027 – March 26, 2027

TELPAS

Testing window
TX

February 15, 2027 – March 26, 2027

TELPAS Alternate

Testing window
TX

March 15, 2027 – April 16, 2027

STAAR — Alternate 2

Testing window
TX

March 15, 2027 – April 16, 2027

STAAR Alternate 2

Testing window
TX

April 5, 2027 – April 16, 2027

STAAR — Reading Language Arts and English EOC

Testing window
TX
+4 more state assessments this school year
See the full national test & school calendar