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RSU 40/MSAD 40 — District Profile & Schools

Union, Maine · Knox County

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Key Dates — RSU 40/MSAD 40 School Calendar

The first day of school in RSU 40/MSAD 40 is Tue, Sep 1, 2026, according to the district's published calendar. Scheduled breaks include Thanksgiving Break (Wed, Nov 25, 2026 to Fri, Nov 27, 2026), Holiday Break (Sun, Dec 20, 2026 to Sat, Jan 2, 2027), Holiday Break (Winter) (Wed, Dec 23, 2026 to Sat, Jan 2, 2027), Winter Break (Mon, Feb 15, 2027 to Fri, Feb 19, 2027), Spring Break (Mon, Apr 19, 2027 to Fri, Apr 23, 2027).

First day of school
Tue, Sep 1, 2026
Thanksgiving Break
Wed, Nov 25, 2026 to Fri, Nov 27, 2026
Holiday Break
Sun, Dec 20, 2026 to Sat, Jan 2, 2027
Holiday Break (Winter)
Wed, Dec 23, 2026 to Sat, Jan 2, 2027
Winter Break
Mon, Feb 15, 2027 to Fri, Feb 19, 2027
Spring Break
Mon, Apr 19, 2027 to Fri, Apr 23, 2027
Memorial Day
Mon, May 25, 2026
Juneteenth
Fri, Jun 19, 2026
Independence Day (Observed)
Fri, Jul 3, 2026
Independence Day
Sat, Jul 4, 2026
No School
Fri, Sep 4, 2026
Labor Day
Mon, Sep 7, 2026
Indigenous Peoples' Day
Mon, Oct 12, 2026
Veterans Day
Wed, Nov 11, 2026
Thanksgiving Day
Thu, Nov 26, 2026
Christmas Day
Fri, Dec 25, 2026
1,782
Students
7
Schools
10.4:1
Student-Teacher
172 teachers
-1 - 12
Grades

Quick Facts

255
Avg. School Size
405
Total Staff

RSU 40/MSAD 40 Calendar

98 events

Fri, Jul 4

Holiday

Independence Day

Tue, Aug 26

PD Day

Workshop Day

Wed, Aug 27

PD Day

Workshop Day

Thu, Aug 28

PD Day

Workshop Day

Mon, Sep 1

Holiday

Labor Day

Tue, Sep 2

Event

1st Day Grades 1-9

Wed, Sep 3

Event

1st Day Grades 10-12

Mon, Sep 8

Event

1st Day Pre K - K

Wed, Sep 17

Early Dismissal

Early Release Day

Fri, Oct 10

PD Day

Workshop Day

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Data source: official RSU 40/MSAD 40 website · Last verified May 20, 2026 · How we verify this data

Contact

Address
PO Box 701
Union, ME 04862
Phone
(207)785-2277

Staff & Students

Teachers (FTE)
172
Total Staff
405
Data Source
NCES Common Core of Data
School Year 2023-24

Frequently Asked Questions about RSU 40/MSAD 40

The first day of school in RSU 40/MSAD 40 is Tue, Sep 1, 2026, according to the district's published calendar.

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