Oceanside High SchoolSchool Calendar
2026-27 Academic Calendar
Key dates, holidays, and events for Oceanside High School.
School at a Glance
Upcoming events & academic holidays2026-27 Academic Year
AUG
31
First Day of School – Gr K-9
SEP
1
First Day of School – Gr 10-12
SEP
4
Teacher Workshop
SEP
7
Labor Day Holiday
SEP
23
Early Release
OCT
9
Teacher Workshop
OCT
12
Indigenous Peoples’ Day
NOV
6
Early Release
NOV
11
Veterans Day Holiday
NOV
24
End of Trimester 1 – Grades K-5
NOV
25
Thanksgiving Day Holiday
NOV
26
Day after Thanksgiving Day Holiday
DEC
10
Comp Day (Fall & Spring Conferences)
DEC
23
School Vacation
DEC
25
Christmas Day Holiday
JAN
1
New Year’s Day Holiday
JAN
13
Early Release
JAN
18
Martin Luther King, Jr. Day Holiday
FEB
3
End of Quarter 2 – Grades 6-12
APR
1
Early Release
APR
20
Patriots’ Day Holiday
MAY
31
Memorial Day Holiday
JUN
8
Last Day of School – Gr. Pre-K-11
JUN
18
Juneteenth Holiday Observed
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 Oceanside High School.
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
September 14, 2026 – October 23, 2026
Maine Through Year Assessment — ELA and Math
Testing window
ME
January 4, 2027 – February 12, 2027
Maine Through Year Assessment — ELA and Math
Testing window
ME
April 1, 2027 – April 13, 2027
Maine Science Assessment
Testing window
ME
April 12, 2027 – May 28, 2027
Maine Through Year Assessment — ELA and Math
Testing window
ME