Pomona HighSchool Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Pomona High.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
AUG
6
Professional Development Day
AUG
7
Professional Development Day
AUG
10
Professional Development Day
AUG
11
Teacher Work Day
AUG
12
School Begins - Shortened Day for All Students
AUG
13
Shortened Day for Elementary Students
SEP
2
Shortened Day for High School Students
SEP
7
Labor Day
SEP
15
Professional Development Day
OCT
7
Shortened Day for High School Students
OCT
15
Elementary School Parent Conferences
NOV
2
Professional Development Day
NOV
11
Veterans Day
NOV
23
Schools Not in Session
NOV
26
Thanksgiving Holidays
DEC
17
Shortened Day for High School Students
DEC
18
Shortened Day for All Students
DEC
21
Winter Break
JAN
18
Martin Luther King Jr. Day
JAN
19
Professional Development Day
FEB
8
Lincoln's Birthday Observance
FEB
15
Washington's Birthday Observance
FEB
17
Shortened Day for High School Students
MAR
11
Elementary School Parent Conferences
MAR
29
Spring Break
MAY
27
Shortened Day for High School Students
MAY
28
Shortened Day for All Students & Last Day of School
MAY
31
Memorial Day
JUN
1
Teacher Work Day
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 Pomona 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