2026-27 Academic Calendar
Key dates, holidays, and events for Arlington High School.
School at a Glance
Upcoming events & academic holidaysSEP
7
Student & Staff Holiday
SEP
8
Student Holiday
OCT
9
Student Holiday/Parent Conferences
OCT
12
Student & Staff Holiday
NOV
2
Student & Staff Holiday
NOV
3
Student Holiday
NOV
23
Student & Staff Holiday
DEC
18
Early Dismissal
DEC
21
Student & Staff Holiday
JAN
1
Student & Staff Holiday
JAN
4
Student Holiday
JAN
18
Student & Staff Holiday
FEB
12
Student Holiday/Parent Conferences
FEB
15
Student & Staff Holiday
FEB
16
Student Holiday
MAR
15
Student & Staff Holiday
MAR
26
Student & Staff Holiday/Bad Weather Makeup Day
APR
23
Student & Staff Holiday/Bad Weather Makeup Day
MAY
26
Last Day of School/Early Dismissal
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Arlington 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