Top Rankings
RSU 51/MSAD 51 School District ranks among the top 20% of public school district in Maine for:
Category
Attribute
Overall Rank
Highest overall rank (Top 5%)
Math Proficiency
Highest math proficiency (Top 10%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 5%)
Science Proficiency
Highest science proficiency (Top 10%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2026-27 school year, there are 4 public schools serving 2,235 students in RSU 51/MSAD 51 School District. This district's average testing ranking is 10/10, which is in the top 5% of public schools in Maine.
Public Schools in RSU 51/MSAD 51 School District have an average math proficiency score of 74% (versus the Maine public school average of 49%), and reading proficiency score of 92% (versus the 84% statewide average).
Minority enrollment is 9% of the student body (majority Hispanic), which is less than the Maine public school average of 15% (majority Black and Hispanic).
Overview
This School District
This State (ME)
# Schools
4 Schools
593 Schools
# Students
2,235 Students
166,401 Students
# Teachers
206 Teachers
15,177 Teachers
Student-Teacher Ratio
11:1
11:1
Student By Grade
District Rank
RSU 51/MSAD 51 School District, which is ranked within the top 10% of all 182 school districts in Maine (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 92% has decreased from 95% over five school years.
Overall District Rank
#9 out of 189 school districts
(Top 5%)
(Top 5%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
74%
49%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
93%
84%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
63%
37%
Graduation Rate
(21-22)92%
86%
Showing 2013–2022. Full 12-year historical data available below ↓
Chronically Absent Students
(2022-23)13.4%
28.5%
Students by Ethnicity:
Diversity Score
0.18
0.28
Showing 2014–2023. Full 30-year historical data available below ↓
% American Indian
n/a
1%
% Asian
1%
1%
Showing 2014–2023. Full 30-year historical data available below ↓
% Hispanic
3%
4%
Showing 2014–2023. Full 19-year historical data available below ↓
% Black
1%
5%
Showing 2014–2023. Full 21-year historical data available below ↓
% White
91%
85%
Showing 2014–2023. Full 30-year historical data available below ↓
% Hawaiian
n/a
n/a
% Two or more races
4%
4%
Showing 2014–2023. Full 11-year historical data available below ↓
All Ethnic Groups
District Revenue and Spending
The revenue/student of $22,105 in this school district is less than the state median of $22,146. The school district revenue/student has declined by 5% over four school years.
The school district's spending/student of $20,883 is less than the state median of $22,012. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$49 MM
$3,685 MM
Showing 2014–2023. Full 34-year historical data available below ↓
Spending
$47 MM
$3,663 MM
Showing 2014–2023. Full 34-year historical data available below ↓
Revenue / Student
$22,105
$22,146
Showing 2014–2023. Full 34-year historical data available below ↓
Spending / Student
$20,883
$22,012
Showing 2014–2023. Full 34-year historical data available below ↓
Best RSU 51/MSAD 51 School District Public Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Mabel I Wilson School
(Math: 75-79% | Reading: ≥95%)
Rank:
Rank:
10/
Top 5%10
353 Tuttle Road
Cumberland Center, ME 04021
(207) 829-4825
Cumberland Center, ME 04021
(207) 829-4825
Gr: PK-3 | 730 students Student-teacher ratio: 12:1 Minority enrollment: 9%
Rank: #22.
Greely Middle School
(Math: 70% | Reading: 95%)
Rank:
Rank:
10/
Top 10%10
351 Tuttle Road
Cumberland Center, ME 04021
(207) 829-4815
Cumberland Center, ME 04021
(207) 829-4815
Gr: 6-8 | 515 students Student-teacher ratio: 10:1 Minority enrollment: 11%
Rank: #33.
Greely Middle School 4-5
(Math: 80% | Reading: 90%)
Rank:
Rank:
10/
Top 10%10
351 Tuttle Road
Cumberland Center, ME 04021
(207) 829-4815
Cumberland Center, ME 04021
(207) 829-4815
Gr: 4-5 | 375 students Student-teacher ratio: 13:1 Minority enrollment: 9%
Rank: #44.
Greely High School
(Math: 70-74% | Reading: 85-89%)
Rank:
Rank:
9/
Top 20%10
303 Main Street
Cumberland Center, ME 04021
(207) 828-4805
Cumberland Center, ME 04021
(207) 828-4805
Gr: 9-12 | 615 students Student-teacher ratio: 9:1 Minority enrollment: 9%
Frequently Asked Questions
How many schools belong to RSU 51/MSAD 51 School District?
RSU 51/MSAD 51 School District manages 4 public schools serving 2,235 students.
What is the rank of RSU 51/MSAD 51 School District?
RSU 51/MSAD 51 School District is ranked #10 out of 182 school districts in Maine (top 10%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Maine school districts for: Highest overall rank (Top 5%), Highest math proficiency (Top 10%), Highest reading/language arts proficiency (Top 5%), Highest science proficiency (Top 10%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in RSU 51/MSAD 51 School District?
91% of RSU 51/MSAD 51 School District students are White, 4% of students are Two or more races, 3% of students are Hispanic, 1% of students are Asian, and 1% of students are Black.
What is the student/teacher ratio of RSU 51/MSAD 51 School District?
RSU 51/MSAD 51 School District has a student/teacher ratio of 11:1, which is equal to the Maine state average of 11:1.
What is RSU 51/MSAD 51 School District's spending/student ratio?
The school district's spending/student of $20,883 is less than the state median of $22,012. The school district spending/student has stayed relatively flat over four school years.
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