Total enrollment
2,554
-111 (-4%) vs SY 2017-18
8 schools in RSU 18
Maine · 2,554 students · 4 cities
Public-school families inside RSU 18 pick from 8 campuses serving the district's roughly 2,554 K-12 students (5 elementary, 2 middle, and 1 high).
7-year change in RSU 18
SY 2017-18 vs SY 2024-25School count
8
0 (0%) vs SY 2017-18
% White
93%
was 94%
% Hispanic
3%
was 2%
% Black
1%
was 1%
% Asian
1%
was 1%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
| Name | City | Level | Grades | Enrollment |
|---|---|---|---|---|
| Messalonskee High School | Oakland | High | 09-12 | 695 |
| Messalonskee Middle School | Oakland | Middle | 06-08 | 495 |
| James H Bean School | Sidney | Elementary | PK-05 | 300 |
| China Primary School | China | Elementary | PK-04 | 242 |
| Belgrade Central School | Belgrade | Elementary | PK-05 | 236 |
| Williams Elementary School | Oakland | Elementary | 03-05 | 222 |
| Ralph M Atwood Primary School | Oakland | Elementary | PK-02 | 194 |
| China Middle School | China | Middle | 05-08 | 170 |
About RSU 18
Across 8 schools, RSU 18 instructs about 2,554 students in Maine. By footprint it is a medium-population district.
Looking at the level breakdown, RSU 18 is built around 5 elementary, 2 middle, and 1 high school.
Five-year track record. Across the same 7-year window, public-school enrollment shrank 4%: 2,665 students in SY 2017-18 versus 2,554 in SY 2024-25.
On this page, the community for RSU 18 discusses open enrollment windows, redistricting talk, and busing logistics. Posts come from current and former families, staff, and alumni.