Top Rankings
RSU 18 School District ranks among the top 20% of public school district in Maine for:
Category
Attribute
Graduation Rate
Highest graduation rate (Top 20%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2026 school year, there is 1 public high school serving 695 students in RSU 18 School District. This district's average high testing ranking is 9/10, which is in the top 20% of public high schools in Maine.
Public High School in RSU 18 School District have an average math proficiency score of 57% (versus the Maine public high school average of 42%), and reading proficiency score of 87% (versus the 83% statewide average).
Public High School in RSU 18 School District have a Graduation Rate of 87%, which is more than the Maine average of 86%.
The school with highest graduation rate is Messalonskee High School, with 85-89% graduation rate. Read more about public school graduation rate statistics in Maine or national school graduation rate statistics.
Minority enrollment is 8% of the student body (majority Hispanic), which is less than the Maine public high school average of 15% (majority Black and Hispanic).
Overview
This School District
This State (ME)
# Schools
8 Schools
124 Schools
# Students
2,554 Students
53,278 Students
# Teachers
196 Teachers
4,381 Teachers
Student-Teacher Ratio
13:1
13:1
Student By Grade
District Rank
RSU 18 School District, which is ranked within the top 30% 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 87% has decreased from 90-94% over five school years.
Overall District Rank
#38 out of 189 school districts
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
57%
49%
Reading/Language Arts Test Scores (% Proficient)
88%
84%
Science Test Scores (% Proficient)
42%
37%
Graduation Rate
87%
86%
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