2025-26 Academic Calendar
Key dates, holidays, and events for Chisholm Trail High School.
School at a Glance
Upcoming events & academic holidaysSEP
7
Labor Day
SEP
8
Professional Development/Student Holiday
SEP
25
Early Release Day
OCT
9
Fall Break
OCT
13
Professional Development/Student Holiday
NOV
6
Early Release Day
NOV
23
Thanksgiving Break
DEC
18
End of Fall Semester
DEC
21
Winter Break
JAN
5
First Day of Spring Semester
JAN
18
Martin Luther King Jr. Day
FEB
12
Early Release Day
FEB
15
Presidents Day
FEB
16
Professional Development/Student Holiday
MAR
12
Early Release Day
MAR
15
Spring Break
MAY
27
Last Day of School
MAY
29
Graduation
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Chisholm Trail High School.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
August 22, 2026
SAT — National
August 28, 2026
SAT — National
September 1, 2026
ACT — National
September 1, 2026
SAT — National
State Assessments
November 30, 2026 – December 11, 2026
STAAR — Fall EOC
February 15, 2027 – March 26, 2027
TELPAS
February 15, 2027 – March 26, 2027
TELPAS Alternate
March 15, 2027 – April 16, 2027
STAAR — Alternate 2
March 15, 2027 – April 16, 2027
STAAR Alternate 2
April 5, 2027 – April 16, 2027
STAAR — Reading Language Arts and English EOC