Braintree HighSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for Braintree High.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
SEP
1
Full Day Teacher Workshop
SEP
2
First Day Students Grades Kindergarten—12
SEP
4
Labor Day Weekend
SEP
7
Labor Day
SEP
8
First Day Preschool Students
SEP
24
Teacher Workshop
OCT
12
Columbus/Indigenous People Day
OCT
29
Teacher Workshop
NOV
3
Election Day/Teacher Workshop Day
NOV
11
Veteran's Day Observed
NOV
19
Teacher Workshop
NOV
25
Day Before Thanksgiving
NOV
26
Thanksgiving Break
DEC
17
Teacher Workshop
DEC
23
Day Before Winter Break
DEC
24
Winter Break
JAN
1
Winter Break/New Year's Day
JAN
18
Martin Luther King Jr. Day
JAN
28
Teacher Workshop
FEB
15
February Break
FEB
25
Teacher Workshop
MAR
25
Teacher Workshop
MAR
26
Good Friday
APR
19
Spring Break
APR
29
Teacher Workshop
MAY
27
Teacher Workshop
MAY
31
Memorial Day
JUN
5
Graduation - Class of 2027
JUN
10
Teacher Workshop
JUN
11
Last Day of Preschool
JUN
17
Last Day School - Students (180 days)
JUN
17
Last Day of School - Staff (182 Days)
JUN
18
Juneteenth - if School is Still in Session due to snow days
JUN
25
Last Day of School if 5 snow days are used
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 Braintree 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 23, 2027 – March 24, 2027
MCAS — ELA
Testing window
MA
May 18, 2027 – May 20, 2027
MCAS — Mathematics
Testing window
MA
June 1, 2027 – June 2, 2027
MCAS — Science and Technology/Engineering
Testing window
MA