Total enrollment
2,235
+141 (+7%) vs SY 2020-21
4 schools in RSU 51/MSAD 51
Maine · 2,235 students · 1 city
RSU 51/MSAD 51 (Maine) covers 4 public K-12 schools and approximately 2,235 students, averaging 559 per school.
4-year change in RSU 51/MSAD 51
SY 2020-21 vs SY 2024-25School count
4
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How RSU 51/MSAD 51 ranks
Among districts| Measure | This district | In Maine | In the US |
|---|---|---|---|
| Enrollment ranked largest first | 2,235 | #21 of 85 | #4,079 of 9,234 |
| Number of schools ranked most first | 4 | #51 of 85 | N/A |
| Students per teacher ranked fewest first | 10.9:1 | #23 of 85 | #1,011 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 8.1% | #84 of 85 | #8,005 of 8,164 |
| Diversity index ranked most diverse first | 17.0% | #37 of 59 | #5,999 of 6,853 |
Districts need at least 2 schools and 500 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Inside RSU 51/MSAD 51
Since 2017-18, the 4 district schools that reported both years went from 2,044 to 2,235 students (up 9%) and from 180 to 206 full-time teachers (up 14%), as of 2024-25.
Proficient is the average share of students meeting the state standard across each school's state tests in 2023-24 and 2024-25; schools with fewer than 100 students and schools serving specialized populations are left out. Staffing figures come from the NCES Common Core of Data and count only schools that reported students and teachers in both years.
| Name | City | Level | Grades | Enrollment |
|---|---|---|---|---|
| Mabel I Wilson School | Cumberland | Elementary | PK-03 | 730 |
| Greely High School | Cumberland | High | 09-12 | 615 |
| Greely Middle School | Cumberland | Middle | 06-08 | 515 |
| Greely Middle School 4-5 | Cumberland | Elementary | 04-05 | 375 |
About RSU 51/MSAD 51
As a sparse district in Maine, RSU 51/MSAD 51 hosts 2,235 students across 4 schools.
On the school-mix side, RSU 51/MSAD 51 is made up of 2 elementary, 1 middle, and 1 high school.
Average enrollment per school in RSU 51/MSAD 51 is about 559, higher than the Maine average of roughly 293.
Five-year track record. Total public-school enrollment in RSU 51/MSAD 51 has increased 7% since SY 2020-21, moving from about 2,094 students to 2,235.
In the discussion threads here, the community for RSU 51/MSAD 51 discusses enrollment trends, district policy changes, and bus-route updates. Members of the local community share what they see day-to-day.