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Events confirmed from RSU 51/MSAD 51's official calendar.

Mabel I Wilson School — School Calendar 2026-27

Primary|Cumberland, Maine|RSU 51/MSAD 51

Cumberland, ME 04021

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Upcoming Events

Sep
16
Wed
Early Release Wednesdayhalf_dayDistrict-wide
Oct
9
Fri
Professional Learning Day - NO STUDENTSStaff DayDistrict-wide
Oct
21
Wed
Early Release Wednesdayhalf_dayDistrict-wide
Oct
28
Wed
Early Release Wednesdayhalf_dayDistrict-wide
Nov
4
Wed
Early Release Wednesdayhalf_dayDistrict-wide
Nov
18
Wed
Early Release Wednesdayhalf_dayDistrict-wide
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School Profile

Grades
PK–3
Enrollment
737
Student:Teacher
12.1:1
Locale
Rural
District
RSU 51/MSAD 51
Econ. Disadvantaged
1.8%

School Statistics

Academics (SY 2020-21)

ELA Proficiency
85-89%
Math Proficiency
85-89%
Chronic Absenteeism
4.7%
SY 2019-20

Programs & Activities (SY 2021-22)

Gifted & Talented
4 students enrolled
Student-Teacher Ratio: 13.8:1
Worse than average in ME

Technology & Internet Access (SY 2021-22)

Wi-Fi
Campus-wide wireless
Fiber Internet
High-speed connection
713
Connected devices

Staff & Support Services (SY 2021-22)

Teachers (FTE)
52.9
98% fully certified
Counselors
1.5
Psychologists
0.2
Social Workers
1
Nurses
1
Anti-Bullying Policy

District Finance (FY 2023)

Per-Pupil Spending
$21,107
Total current expenditure
Instruction Spending
$12,142
Per pupil, classroom only
Total Revenue/Pupil
$22,947
All funding sources
Funding Sources
Federal 2%State 32%Local 66%
District-level data from NCES F-33 Survey

Community Context

Median Home Value
$518,074
+0.9% 1yr+40.7% 5yr
Portland, ME metro area
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Neighborhood Indicators (Census Tract)
12.2%
Below 150% poverty line
3.2%
Unemployment rate
5.0%
Uninsured residents
3.7%
No HS diploma (25+)

Special Education (IDEA)

District-level data from IDEA Part B · Students ages 3-21 served under IDEA

Total Students Served
302
Ages 3-21 under IDEA
School-Age (6-21)
302
Receiving special ed services
Est. % of Enrollment
41%
District rate, school may vary
Disability Categories (District)
Specific Learning Disability
88 (29%)
Speech/Language Impairment
70 (23%)
Other Health Impairment
67 (22%)
Autism
34 (11%)
Emotional Disturbance
23 (8%)
Intellectual Disability
4 (1%)

Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ

Enrollment Trend (2014-2025)

730
Current enrollment
Stable(+6% 5yr)

Coming Up

Wed, Sep 16, 2026
Early Release Wednesday
half_day
Fri, Oct 9, 2026
Professional Learning Day - NO STUDENTS
Staff Day
Wed, Oct 21, 2026
Early Release Wednesday
half_day

Full School Calendar 2026-27

Events marked District-wide apply to all schools in RSU 51/MSAD 51. Mabel I Wilson School follows the district calendar.

DateEvent
Mon, Sep 7, 2026
NO SCHOOL - Labor DayDistrict-wide
Wed, Sep 16, 2026
Early Release WednesdayDistrict-wide
Fri, Oct 9, 2026
Professional Learning Day - NO STUDENTSDistrict-wide
Wed, Oct 21, 2026
Early Release WednesdayDistrict-wide
Wed, Oct 28, 2026
Early Release WednesdayDistrict-wide
Wed, Nov 4, 2026
Early Release WednesdayDistrict-wide
Wed, Nov 18, 2026
Early Release WednesdayDistrict-wide
Mon, Nov 23, 2026
Early Release (Parent/Teacher Conferences) Grades 6-12 @ 11:35\; K-5 @ 12:35District-wide
Tue, Nov 24, 2026
Early Release (Parent/Teacher Conferences) Grades 6-12 @ 11:35\; K-5 @ 12:35District-wide
Thu, Nov 26, 2026
NO SCHOOL - ThanksgivingDistrict-wide
Fri, Nov 27, 2026
NO SCHOOL - ThanksgivingDistrict-wide
Wed, Dec 2, 2026
Early Release WednesdayDistrict-wide
Wed, Dec 23, 2026
NO SCHOOL - December BreakDistrict-wide
Sat, Dec 26, 2026
NO SCHOOL - December BreakDistrict-wide
Wed, Jan 6, 2027
Early Release WednesdayDistrict-wide
Fri, Jan 15, 2027
Professional Learning Day - NO STUDENTSDistrict-wide
Wed, Jan 27, 2027
Early Release WednesdayDistrict-wide
Wed, Feb 3, 2027
Early Release WednesdayDistrict-wide
Wed, Feb 10, 2027
Early Release WednesdayDistrict-wide
Mon, Feb 15, 2027
NO SCHOOL - Presidents DayDistrict-wide
Tue, Feb 16, 2027
NO SCHOOL - Winter BreakDistrict-wide
Wed, Feb 24, 2027
Early Release Wednesday: Grades K-5 Dismissal at 12:35 PMDistrict-wide
Wed, Feb 24, 2027
Grade 6-12 (Parent Teacher Conferences) Dismissal at 11:35 AMDistrict-wide
Wed, Mar 3, 2027
Early Release Wednesday: Grades K-5 Dismissal at 12:35 PMDistrict-wide
Wed, Mar 3, 2027
Grade 6-12 (Parent Teacher Conferences) Dismissal at 11:35 AMDistrict-wide
Wed, Mar 10, 2027
Early Release WednesdayDistrict-wide
Wed, Mar 24, 2027
Early Release Wednesday: Grades 6-12 Dismissal at 1:35 PMDistrict-wide
Wed, Mar 24, 2027
Grade K-5 (Parent Teacher Conferences) Dismissal at 12:35 AMDistrict-wide
Wed, Mar 31, 2027
Early Release Wednesday: Grades 6-12 Dismissal at 1:35 PMDistrict-wide
Wed, Mar 31, 2027
Grade K-5 (Parent Teacher Conferences) Dismissal at 12:35 AMDistrict-wide
Wed, Apr 7, 2027
Early Release WednesdayDistrict-wide
Tue, Apr 20, 2027
NO SCHOOL - Spring BreakDistrict-wide
Wed, Apr 28, 2027
Early Release WednesdayDistrict-wide
Wed, May 5, 2027
Early Release WednesdayDistrict-wide
Mon, May 31, 2027
NO SCHOOL - Memorial DayDistrict-wide
Wed, Jun 9, 2027
Early Release WednesdayDistrict-wide

Showing 36 events for the 2026-27 school year

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School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically. · How we verify this data