2026-27 Academic Calendar
Key dates, holidays, and events for Palo Duro High School.
School at a Glance
Upcoming events & academic holidaysSEP
7
Student/Staff Holiday
SEP
25
End of Six Weeks
SEP
28
Beginning of Grading Period
NOV
2
Beginning of Grading Period
NOV
23
Student/Staff Holiday
DEC
7
Testing
DEC
18
End of 1st Semester
DEC
18
End of Six Weeks
DEC
18
Student Early Release/Teacher Prep. (p.m.)
DEC
21
Student/Staff Holiday
DEC
28
Student/Staff Holiday
FEB
12
End of Six Weeks
FEB
15
Student/Staff Holiday
FEB
16
Beginning of Grading Period
MAR
15
Student/Staff Holiday
APR
9
End of Six Weeks
APR
12
Beginning of Grading Period
APR
13
Testing
APR
19
Testing
APR
26
Testing
APR
30
Student/Staff Holiday
MAY
3
Testing
MAY
28
End of 2nd Semester
MAY
28
End of Six Weeks
MAY
28
Last Day of Instruction
MAY
28
Student Early Release/Teacher Prep. (p.m.)
MAY
31
Staff Holiday
JUN
1
Staff Make Up (Snow) Days
JUN
3
Staff Make Up (Snow) Days
JUN
3
Summer Learning
JUN
7
Summer Learning
JUN
14
Summer Learning
JUN
15
Testing
JUN
21
Summer Learning
JUN
28
Summer Learning
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Palo Duro 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