Total enrollment
1,739
-30 (-2%) vs SY 2020-21
7 schools in RSU 10
Maine · 1,739 students · 4 cities
Of the 7 public K-12 schools run by RSU 10, combined student count is roughly 1,739, with 4 elementary, 1 middle, and 2 high.
4-year change in RSU 10
SY 2020-21 vs SY 2024-25School count
6
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How RSU 10 ranks
Among districts| Measure | This district | In Maine | In the US |
|---|---|---|---|
| Enrollment ranked largest first | 1,739 | #37 of 85 | #4,913 of 9,234 |
| Number of schools ranked most first | 6 | #22 of 85 | N/A |
| Students per teacher ranked fewest first | 11.3:1 | #35 of 85 | #1,345 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 71.2% | #5 of 85 | #1,849 of 8,164 |
| Diversity index ranked most diverse first | 16.9% | #38 of 59 | #6,001 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 10
Since 2017-18, the 6 district schools that reported both years went from 1,780 to 1,739 students (down 2%) and from 162 to 154 full-time teachers (down 5%), 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 |
|---|---|---|---|---|
| Mountain Valley Middle School | Mexico | Middle | 05-08 | 376 |
| Mountain Valley High School | Rumford | High | 09-12 | 369 |
| Hartford-Sumner Elementary School | Sumner | Elementary | PK-06 | 297 |
| Meroby Elementary School | Mexico | Elementary | PK-04 | 256 |
| Buckfield Jr-Sr High School | Buckfield | High | 07-12 | 228 |
| Rumford Elementary | Rumford | Elementary | PK-04 | 213 |
| Mountain Valley Community School | Mexico | Elementary | M-M | · |
About RSU 10
Across 7 schools, RSU 10 instructs about 1,739 students in Maine. By footprint it is a moderately sized district.
In terms of grade levels, RSU 10 consists of 4 elementary, 1 middle, and 2 high schools.
Average enrollment per school in RSU 10 is about 248, meaningfully below the Maine average of roughly 293.
Trend over the past 4 years. Total public-school enrollment in RSU 10 has held roughly steady since SY 2020-21, moving from about 1,769 students to 1,739.
On this page, the community for RSU 10 discusses enrollment trends, district policy changes, and bus-route updates. Parents, students, and educators in the area can post or comment.