Harlem High SchoolSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for Harlem High School.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
SEP
7
Labor Day
OCT
7
Parent/Teacher Conferences
OCT
9
School Improvement Day
OCT
12
Indigenous People Day
NOV
6
Trimester 1 End
NOV
13
Veterans Day Observed
NOV
25
Thanksgiving Break
DEC
18
Semester 1 End
DEC
21
Winter Break
JAN
4
School Improvement Day
JAN
5
Students Resume
JAN
18
Martin Luther King Jr. Day
FEB
10
Parent/Teacher Conferences
FEB
15
President's Day
FEB
19
Trimester 2 End
MAR
5
Quarter 3 End
MAR
25
School Improvement Day
MAR
26
Spring Break
APR
23
School Improvement Day
MAY
20
Quarter 4 End / Trimester 3 End / Last Day of School
MAY
21
Teacher Institute Day
MAY
31
Memorial Day
JUN
19
Juneteenth
Calendar 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 Harlem High School.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
Testing window
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
Testing window
August 28, 2026
SAT — National
Registration deadline
September 1, 2026
ACT — National
Late registration deadline
September 1, 2026
SAT — National
Late registration deadline
September 4, 2026
SAT — National
Score release