2026-27 Academic Calendar
Key dates, holidays, and events for Parker High.
School at a Glance
Upcoming events & academic holidaysAUG
24
First Day of School For All Students
SEP
7
No School - Labor Day
OCT
2
No School - Teacher Professional Development Day
OCT
14
School Day - Conferences 4-7 pm
OCT
15
No School - Conferences 8 am-7 pm
OCT
16
No School - Break Day
OCT
30
End of 1st Quarter grades 6-12
NOV
6
No School - Teacher Professional Development Day
NOV
20
End of 1st Trimester - Grades P4J-5
NOV
25
No School - Thanksgiving Break
DEC
23
No School - Winter Break
JAN
3
No School - Winter Break
JAN
14
End of 2nd Quarter - Grades 6-12
JAN
15
No School - Teacher Professional Development Day
JAN
18
No School - MLK Day
FEB
17
School Day - Conferences 4-7 pm
FEB
18
No School - Conferences 8 am-7 pm
FEB
19
No School - Break Day
FEB
26
End of 2nd Trimester - grades P4J-5
MAR
18
End of 3rd Quarter - grades 6-12
MAR
19
No School - Teacher Professional Development Day
MAR
22
No School - Spring Break
APR
16
No School - Teacher Professional Development Day
MAY
28
Last day of school - 1/2 day for students
JUN
7
First Day of Summer School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Parker High.
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
March 8, 2027 – April 16, 2027
PreACT Secure
March 9, 2027 – March 19, 2027
ACT with Writing — Test Window 1
March 23, 2027 – April 2, 2027
ACT with Writing — Test Window 2
April 6, 2027 – April 16, 2027
ACT with Writing — Test Window 3
School Milestones
October 15, 2026
Homeschool PI-1206 Form Due