Palo Alto HighSchool Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Palo Alto High.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
OCT
2
Staff Development Day
NOV
23
Thanksgiving Break
DEC
18
End of 1st Semester
DEC
19
Winter Break
JAN
5
Winter Break
JAN
18
Martin Luther King Jr. Day
FEB
11
Local Holiday
FEB
12
Local Holiday
FEB
15
Washington's Birthday observed
MAR
15
Local Holiday
MAR
16
Staff Development Day
APR
5
Spring Break
MAY
31
Memorial Day
JUN
4
End of 2nd Semester
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Palo Alto High.
National Tests
August 7, 2026
SAT — National
Registration deadline
August 11, 2026
SAT — National
Late registration deadline
August 14, 2026
ACT — National
Registration deadline
August 22, 2026
SAT — National
Test date
August 28, 2026
SAT — National
Registration deadline
September 1, 2026
ACT — National
Late registration deadline
State Assessments
March 1, 2027 – June 30, 2027
CAASPP — Statewide Window
Testing window
CA
School Milestones
October 1, 2026 – October 15, 2026
Private School Affidavit Filing Window
Other
CA