Top Rankings
RSU 21 School District ranks among the top 20% of public school district in Maine for:
Category
Attribute
Overall Rank
Highest overall rank (Top 10%)
Math Proficiency
Highest math proficiency (Top 10%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 10%)
Graduation Rate
Highest graduation rate (Top 5%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 school year, there is 1 public high school serving 707 students in RSU 21 School District. This district's average high testing ranking is 6/10, which is in the top 50% of public high schools in Maine.
Public High School in RSU 21 School District have an average math proficiency score of 87% (versus the Maine public high school average of 85%), and reading proficiency score of 82% (versus the 82% statewide average).
Public High School in RSU 21 School District have a Graduation Rate of 92%, which is more than the Maine average of 85%.
The school with highest graduation rate is Kennebunk High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Maine or national school graduation rate statistics.
Minority enrollment is 9% of the student body (majority Hispanic and Black), which is less than the Maine public high school average of 14% (majority Black and Hispanic).
Overview
This School District
This State (ME)
# Schools
6 Schools
124 Schools
# Students
2,280 Students
53,407 Students
# Teachers
203 Teachers
4,409 Teachers
Student : Teacher Ratio
11:1
11:1
District Rank
RSU 21 School District, which is ranked within the top 20% of all 191 school districts in Maine (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 92% has increased from 90-94% over five school years.
Overall District Rank
#19 out of 222 school districts
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
91%
82%
Reading/Language Arts Test Scores (% Proficient)
92%
84%
Science Test Scores (% Proficient)
49%
37%
Graduation Rate
92%
86%
Students by Ethnicity:
Diversity Score
0.18
0.26
# American Indian Students
12 Students
410 Students
% American Indian Students
1%
1%
# Asian Students
37 Students
801 Students
% Asian Students
2%
1%
# Hispanic Students
90 Students
1,872 Students
% Hispanic Students
4%
4%
# Black Students
31 Students
2,629 Students
% Black Students
1%
5%
# White Students
2,063 Students
45,822 Students
% White Students
90%
86%
# Hawaiian Students
4 Students
54 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
43 Students
1,819 Students
% of Two or more races Students
2%
3%
Students by Grade:
# Students in PK Grade:
137
78
# Students in K Grade:
155
108
# Students in 1st Grade:
145
101
# Students in 2nd Grade:
173
97
# Students in 3rd Grade:
159
131
# Students in 4th Grade:
162
100
# Students in 5th Grade:
165
166
# Students in 6th Grade:
160
414
# Students in 7th Grade:
155
753
# Students in 8th Grade:
162
1,236
# Students in 9th Grade:
161
12,412
# Students in 10th Grade:
185
12,672
# Students in 11th Grade:
187
12,696
# Students in 12th Grade:
174
12,443
# Ungraded Students:
-
-
District Revenue and Spending
The revenue/student of $25,651 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 $21,720 is higher than the state median of $21,191. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$59 MM
$3,617 MM
Spending
$50 MM
$3,549 MM
Revenue / Student
$25,651
$21,600
Spending / Student
$21,720
$21,191
Best RSU 21 School District Public High Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Kennebunk High School
(Math: 85-89% | Reading: 80-84%)
Rank:
Rank:
7/
Top 50%10
89 Fletcher Street
Kennebunk, ME 04043
(207) 985-1110
Kennebunk, ME 04043
(207) 985-1110
Grades: 9-12
| 707 students
Recent Articles
What Is A Charter School?
Explore the world of charter schools in this comprehensive guide. Learn about their history, how they operate, and the pros and cons of this educational innovation. Discover key facts about charter schools, including admission policies, demographics, and funding, as well as what to look for when considering a charter school for your child.
10 Reasons Why High School Sports Benefit Students
Discover the 10 compelling reasons why high school sports are beneficial for students. This comprehensive article explores how athletics enhance academic performance, foster personal growth, and develop crucial life skills. From improved fitness and time management to leadership development and community representation, learn why participating in high school sports can be a game-changer for students' overall success and well-being.
February 05, 2025
Understanding the U.S. Department of Education: Structure, Impact, and EvolutionWe explore how the Department of Education shapes American education, from its cabinet-level leadership to its impact on millions of students, written for general audiences seeking clarity on this vital institution.
