Top Rankings
RSU 10 School District ranks among the top 20% of public school district in Maine for:
Category
Attribute
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 school year, there are 4 public elementary schools serving 1,138 students in RSU 10 School District. This district's average elementary testing ranking is 1/10, which is in the bottom 50% of public elementary schools in Maine.
Public Elementary Schools in RSU 10 School District have an average math proficiency score of 35% (versus the Maine public elementary school average of 51%), and reading proficiency score of 76% (versus the 84% statewide average).
Minority enrollment is 10% of the student body (majority Hispanic), which is less than the Maine public elementary school average of 14% (majority Black and Hispanic).
Overview
This School District
This State (ME)
# Schools
6 Schools
442 Schools
# Students
1,799 Students
112,991 Students
# Teachers
160 Teachers
10,443 Teachers
Student-Teacher Ratio
11:1
11:1
Student By Grade
District Rank
RSU 10 School District, which is ranked within the bottom 50% 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 76% has decreased from 80-84% over five school years.
Overall District Rank
#161 out of 189 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
35%
49%
Reading/Language Arts Test Scores (% Proficient)
79%
84%
Science Test Scores (% Proficient)
30%
37%
Graduation Rate
76%
86%
Students by Ethnicity:
Diversity Score
0.17
0.26
% American Indian
n/a
1%
% Asian
n/a
1%
% Hispanic
5%
3%
% Black
2%
5%
% White
91%
86%
% Hawaiian
n/a
n/a
% Two or more races
2%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $21,857 is higher than the state median of $21,600. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $21,182 is less than the state median of $21,191. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$39 MM
$3,617 MM
Spending
$38 MM
$3,549 MM
Revenue / Student
$21,857
$21,600
Spending / Student
$21,182
$21,191
Best RSU 10 School District Public Elementary Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Hartford-sumner Elementary School
(Math: 45-49% | Reading: 80-84%)
Rank:
Rank:
5/
Bottom 50%10
145 Main Street
Sumner, ME 04292
(207) 388-2681
Sumner, ME 04292
(207) 388-2681
Gr: PK-6 | 289 students Student-teacher ratio: 11:1 Minority enrollment: 2%
Rank: #22.
Rumford Elementary School
(Math: 35-39% | Reading: 80-84%)
Rank:
Rank:
3/
Bottom 50%10
121 Lincoln Avenue
Rumford, ME 04276
(207) 364-8155
Rumford, ME 04276
(207) 364-8155
Gr: PK-4 | 241 students Student-teacher ratio: 10:1 Minority enrollment: 16%
Rank: #33.
Meroby Elementary School
(Math: 50-54% | Reading: 60-64%)
Rank:
Rank:
3/
Bottom 50%10
21 Cross Street
Mexico, ME 04257
(207) 364-3714
Mexico, ME 04257
(207) 364-3714
Gr: PK-4 | 241 students Student-teacher ratio: 10:1 Minority enrollment: 9%
Rank: #44.
Mountain Valley Middle School
(Math: 26% | Reading: 76%)
Rank:
Rank:
1/
Bottom 50%10
58 Highland Terrace
Mexico, ME 04257
(207) 364-7926
Mexico, ME 04257
(207) 364-7926
Gr: 5-8 | 367 students Student-teacher ratio: 11:1 Minority enrollment: 12%
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