Charles J. Colgan Sr. HighSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for Charles J. Colgan Sr. High.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
MAR
27
Last Day of Third Marking Period
MAR
30
No School
No School – Spring Break (No School for Students)
MAR
31
No School
No School – Spring Break (No School for Students)
APR
1
No School
No School – Spring Break (No School for Students)
APR
2
No School
No School – Spring Break (Schools and Offices Closed)
APR
3
No School
No School – Spring Break (Schools and Offices Closed)
APR
6
No School
No School – Teacher Workday (No School for Students)
MAY
25
No School
No School – Memorial Day Holiday (Schools and Offices Closed)
MAY
27
No School
No School – Eid al-Adha Holiday (Schools and Offices Closed)
JUN
12
Last Day of School
JUN
15
No School
No School – Teacher Workday (No School for Students, Optional For Teachers)
JUN
19
No School
No School – Juneteenth (Schools and Offices Closed)
JUL
3
No School
No School – Independence Day (Schools and Offices Closed)
AUG
13
No School
No School – New Teacher Orientation (No School for Students)
AUG
14
No School
No School – New Teacher Orientation (No School for Students)
AUG
17
No School
No School – Teacher Workday and Professional Development (No School for Students)
AUG
18
No School
No School – Teacher Workday and Professional Development (No School for Students)
AUG
19
No School
No School – Teacher Workday and Professional Development (No School for Students)
AUG
20
No School
No School – Teacher Workday and Professional Development (No School for Students)
AUG
21
No School
No School – Teacher Workday and Professional Development (No School for Students)
AUG
24
First Day of School for Students
SEP
4
No School
No School – Labor Day Weekend Holiday (Schools and Offices Closed to the Public)
SEP
7
No School
No School – Labor Day (Schools and Offices Closed)
SEP
21
No School
No School – Yom Kippur Holiday (Schools and Offices Closed)
OCT
12
No School
No School – Professional Development Day (No School for Students)
OCT
30
Last Day of First Marking Period
NOV
2
No School
No School – Parent Conferences and Professional Development (No School for Students)
NOV
3
No School
No School – Teacher Workday (No School for Students)
NOV
11
No School
No School – Veterans Day (Schools and Offices Closed)
NOV
25
No School
No School – Thanksgiving Break (Schools and Offices Closed to the Public)
NOV
26
No School
No School – Thanksgiving Holiday (Schools and Offices Closed)
NOV
27
No School
No School – Thanksgiving Break (Schools and Offices Closed)
DEC
21
No School
No School – Winter Break (No School for Students)
DEC
22
No School
No School – Winter Break (No School for Students)
DEC
23
No School
No School – Winter Break (Schools and Offices Closed)
DEC
24
No School
No School – Winter Break (No School for Students)
DEC
25
No School
No School – Christmas (Schools and Offices Closed)
DEC
28
No School
No School – Winter Break (No School for Students)
DEC
29
No School
No School – Winter Break (No School for Students)
DEC
30
No School
No School – Winter Break (No School for Students)
DEC
31
No School
No School – Winter Break (No School for Students)
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!