2026-27 Academic Calendar
Key dates, holidays, and events for Richardson High School.
School at a Glance
Upcoming events & academic holidaysAUG
12
First day of School
AUG
26
Early Release
SEP
7
Labor Day
SEP
23
Early Release
OCT
7
First Grading Period Ends
OCT
8
Fall Break
NOV
2
Student Holiday/Staff Professional Learning Day
NOV
23
Student Holiday/Staff Exchange Days
NOV
26
Thanksgiving Holiday
DEC
18
Early Release, Second Grading Period Ends
DEC
21
Winter Break
JAN
4
Winter Break
JAN
5
Student Holiday/Staff Professional Learning Day
JAN
6
Second Semester Begins
JAN
18
Martin Luther King Jr. Day Holiday
FEB
3
Early Release
FEB
15
Student Holiday/Staff Professional Learning Day
FEB
23
Enrollment Opens for 2027-28
MAR
12
Third Grading Period Ends
MAR
15
Spring Break
MAR
26
Make-Up Day
MAY
26
Early Release, Fourth Grading Period Ends
MAY
31
Memorial Day Staff Holiday
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Richardson High School.
National Tests
August 7, 2026
SAT — National
August 11, 2026
SAT — National
August 14, 2026
ACT — National
August 22, 2026
SAT — National
August 28, 2026
SAT — National
September 1, 2026
ACT — 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