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RSU 51/MSAD 51 — District Profile & Schools

Cumberland, Maine · Cumberland County

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Key Dates — RSU 51/MSAD 51 School Calendar

The first day of school in RSU 51/MSAD 51 is Mon, Aug 31, 2026, and the last day of school is Fri, Jun 12, 2026, according to the district's published calendar. Scheduled breaks include NO SCHOOL - December Break (Wed, Dec 23, 2026 to Thu, Dec 31, 2026), NO SCHOOL - Winter Break (Tue, Feb 16, 2027 to Fri, Feb 19, 2027), NO SCHOOL - Spring Break (Tue, Apr 20, 2027 to Fri, Apr 23, 2027).

First day of school
Mon, Aug 31, 2026
Last day of school
Fri, Jun 12, 2026
NO SCHOOL - December Break
Wed, Dec 23, 2026 to Thu, Dec 31, 2026
NO SCHOOL - Winter Break
Tue, Feb 16, 2027 to Fri, Feb 19, 2027
NO SCHOOL - Spring Break
Tue, Apr 20, 2027 to Fri, Apr 23, 2027
Memorial Day
Mon, May 25, 2026
NO SCHOOL - Memorial Day
Mon, May 25, 2026
NO SCHOOL - Juneteenth
Fri, Jun 19, 2026
NO SCHOOL - Students & Staff
Fri, Aug 28, 2026 to Fri, Sep 4, 2026
NO SCHOOL - Labor Day
Mon, Sep 7, 2026
NO SCHOOL - Indigenous Peoples Day
Mon, Oct 12, 2026
NO SCHOOL - Thanksgiving
Thu, Nov 26, 2026 to Fri, Nov 27, 2026
NO SCHOOL - New Year Day (Observed)
Fri, Jan 1, 2027
NO SCHOOL - Martin Luther King Jr. Day
Mon, Jan 18, 2027
NO SCHOOL - Presidents Day
Mon, Feb 15, 2027
2,193
Students
4
Schools
10.6:1
Student-Teacher
207 teachers
-1 - 12
Grades

Quick Facts

548
Avg. School Size
610
Total Staff

RSU 51/MSAD 51 Calendar

211 events

Source

Thu, Jul 17

Event

School Board Meeting

Wed, Aug 20

Event

Locker Day (GMS 6-8)

Wed, Aug 20

Event

Senior Mentor Training

Mon, Aug 25

PD Day

Professional Development Day

No School for Students

Tue, Aug 26

Event

First Day of School

For Students

Tue, Aug 26

PD Day

Professional Learning Day - NO STUDENTS

Wed, Aug 27

PD Day

Professional Learning Day - NO STUDENTS

Thu, Aug 28

PD Day

Professional Learning Day - NO STUDENTS

Fri, Aug 29

Event

NO SCHOOL - Students & Staff

Mon, Sep 1

Holiday

Labor Day

No School

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Data source: official RSU 51/MSAD 51 website · How we verify this data

Contact

Address
PO Box 6A
Cumberland, ME 04021
Phone
(207)829-4800

Staff & Students

Teachers (FTE)
207
Total Staff
610
Data Source
NCES Common Core of Data
School Year 2023-24

Frequently Asked Questions about RSU 51/MSAD 51

The first day of school in RSU 51/MSAD 51 is Mon, Aug 31, 2026, according to the district's published calendar.

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