Allen High SchoolSchool Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Allen High School.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
MAY
21
Graduation
MAY
31
No School
Memorial Day
JUN
1
Last Day of School
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 Allen 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
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