Edison High SchoolSchool Calendar

2026-27 Academic Calendar

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

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

OCT

8

End of 1st Grading Period

OCT

13

Start of 2nd Grading Period

DEC

17

End of First Semester / End of 2nd Grading Period

JAN

6

Start of Second Semester / Start of 3rd Grading Period

MAR

5

End of 3rd Grading Period

MAR

16

Start of 4th Grading Period

MAY

26

Last Day of School / End of 4th Grading Period
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 Edison 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 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline

September 1, 2026

SAT — National

Late registration deadline
+76 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