2026-27 Academic Calendar
Key dates, holidays, and events for Hendrickson High School.
School at a Glance
Upcoming events & academic holidaysSEP
7
Student/Staff Holiday
OCT
9
Student Holiday, Staff Planning/Prep
OCT
12
Fall Break, Student/Staff Holiday
NOV
23
Thanksgiving Break, Student/Staff Holiday
DEC
21
Winter Break, Student/Staff Holiday
JAN
1
Student/Staff Holiday
JAN
4
Student Holiday, Staff Planning/Prep
JAN
18
Student/Staff Holiday
FEB
12
Student Holiday, Staff Development
FEB
15
Student Holiday, Staff Planning/Prep
MAR
15
Spring Break, Student/Staff Holiday
MAR
26
Student/Staff Holiday
APR
3
Student/Staff Holiday
MAY
27
Last Day of School for Students
MAY
28
Staff Planning & Prep, Last Day of School for Teachers
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Hendrickson 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