2026-27 Academic Calendar
Key dates, holidays, and events for Harlingen High School.
School at a Glance
Upcoming events & academic holidaysSEP
7
Additional Student Holiday
OCT
6
First Quarter Ends
OCT
9
Additional Student Holiday / Instructional Planning Day
OCT
19
Second Quarter Begins
DEC
17
Second Quarter Ends
JAN
5
Additional Student Holiday / Instructional Planning Day
JAN
6
Third Quarter Begins
JAN
18
MLK Jr. Day
FEB
15
Additional Student Holiday
MAR
12
Third Quarter Ends
MAR
15
Spring Break Begins
MAR
22
Fourth Quarter Begins
MAR
26
Good Friday
MAR
29
Additional Student Holiday / Instructional Planning Day
MAY
28
Early Release / Fourth Quarter Ends
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Harlingen High School.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
August 28, 2026
SAT — National
September 1, 2026
ACT — National
September 1, 2026
SAT — National
September 4, 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