Total enrollment
2,867
-147 (-5%) vs SY 2017-18
7 schools in RSU 57/MSAD 57
Maine · 2,867 students · 6 cities
RSU 57/MSAD 57 reports 7 public K-12 schools and approximately 2,867 students enrolled, per NCES, an average school size of 410.
7-year change in RSU 57/MSAD 57
SY 2017-18 vs SY 2024-25School count
7
0 (0%) vs SY 2017-18
% White
92%
was 96%
% Hispanic
2%
was 1%
% Black
1%
was 1%
% Asian
1%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
| Name | City | Level | Grades | Enrollment |
|---|---|---|---|---|
| Massabesic High School | Waterboro | High | 09-12 | 867 |
| Massabesic Middle School | East Waterboro | Middle | 06-08 | 619 |
| Waterboro Elementary School | East Waterboro | Elementary | PK-05 | 547 |
| Line Elementary | West Newfield | Elementary | PK-05 | 261 |
| Lyman Elementary School | Lyman | Elementary | PK-05 | 241 |
| Alfred Elementary School | Alfred | Elementary | PK-05 | 179 |
| Shapleigh Memorial School | Shapleigh | Elementary | PK-05 | 153 |
About RSU 57/MSAD 57
Across 7 schools, RSU 57/MSAD 57 hosts about 2,867 students in Maine. By footprint it is a mid-sized district.
For a sense of the school types, RSU 57/MSAD 57 is built around 5 elementary, 1 middle, and 1 high school.
On a per-school basis, RSU 57/MSAD 57 runs about 410 students per campus, 40% higher than the state mean of roughly 293.
Looking at the last 7 years. Across the same 7-year window, public-school enrollment decreased 5%: 3,014 students in SY 2017-18 versus 2,867 in SY 2024-25. On the demographic side, White enrollment moved from 96% to 92% over the same window.
In the discussion threads here, the community for RSU 57/MSAD 57 discusses sports rivalries, cross-district programs, and shared facilities. Members of the local community share what they see day-to-day.