Total enrollment
4,217
-121 (-3%) vs SY 2020-21
Knox County
Maine · Public K-12
Knox County, Maine comes in at 21 public K-12 schools on the latest counts, totaling roughly 4,217 students, with a county median household income near $74,096. By grade band, the county runs 15 elementary, 2 middle, and 2 high schools.
4-year change in Knox County
SY 2020-21 vs SY 2024-25School count
19
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Knox County ranks
Among counties| Measure | This county | In Maine | In the US |
|---|---|---|---|
| Enrollment ranked largest first | 4,217 | #11 of 16 | #1,486 of 2,745 |
| Number of schools ranked most first | 19 | #13 of 16 | N/A |
| Students per teacher ranked fewest first | 9.4:1 | #2 of 16 | #56 of 2,655 |
| Free or reduced-price lunch share ranked highest first | 43.2% | #13 of 16 | #1,958 of 2,526 |
| Diversity index ranked most diverse first | 13.5% | #12 of 16 | #2,407 of 2,707 |
Counties need at least 3 schools and 1,000 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.
Knox County school rankings
Residents
41,003
all ages · ACS 5-yr
Schools
21
12 districts
Enrollment
4,217
students · NCES CCD
Median income
$74,096
Above Maine avg
Free/reduced lunch
43.2%
Below Maine avg
Elementary
15
2,112 students
Middle
2
655 students
High
2
1,251 students
Combined / other
2
199 students
LARGEST DISTRICT
RSU 13
1,508 students · 12 districts in Knox County
County vs. school enrollment demographics
Left bar is the racial makeup of Knox County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
39.7%
adults 25+
Poverty rate
4.2%
ACS 5-year
Unemployment
3.9%
civilian labor
Median age
50
16.8% under 18
Test scores in Knox County
Latest 2024-25 ELA proficiency, 11 schools ranked. Maine state average: 64.1%.
Top 5 schools (ELA)
- Camden-Rockport Middle School· 82.3%
- Thomaston Grammar School· 79.5%
- Hope Elementary School· 78.1%
- Ash Point Community School· 77.2%
- Camden Hills Regional H S· 76.1%
Lowest 5 schools (ELA)
- Vinalhaven School· 62.2%
- South School· 64.5%
- Oceanside Middle School· 65.1%
- Warren Community School· 65.3%
- St George School· 70.0%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Camden Hills Regional H S | Rockport | High | 09-12 | 757 | · |
| Oceanside High School | Rockland | High | 09-12 | 494 | · |
| Camden-Rockport Middle School | Camden | Middle | 05-08 | 348 | · |
| Camden-Rockport Elementary School | Rockport | Elementary | PK-04 | 340 | · |
| South School | Rockland | Elementary | PK-05 | 311 | · |
| Oceanside Middle School | Thomaston | Middle | 06-08 | 307 | · |
| Warren Community School | Warren | Elementary | PK-06 | 286 | · |
| St George School | Tenants Harbor | Elementary | PK-08 | 206 | · |
| Thomaston Grammar School | Thomaston | Elementary | PK-05 | 164 | · |
| Ash Point Community School | Owls Head | Elementary | PK-05 | 158 | · |
| Vinalhaven School | Vinalhaven | Combined | PK-12 | 143 | · |
| Hope Elementary School | Hope | Elementary | PK-08 | 140 | · |
| Appleton Village School | Appleton | Elementary | PK-08 | 132 | · |
| Union Elementary | Union | Elementary | PK-06 | 125 | · |
| Prescott Memorial School | Washington | Elementary | PK-06 | 107 | · |
| Cushing Community School | Cushing | Elementary | KG-05 | 74 | · |
| Friendship Village School | Friendship | Elementary | KG-06 | 62 | · |
| North Haven Community School | North Haven | Combined | KG-12 | 56 | · |
| Isle au Haut Rural School | Isle Au Haut | Elementary | PK-08 | 7 | · |
| Matinicus Elementary School | Matinicus Isle Plantation | Elementary | KG-08 | 0 | · |
| Mid-Coast Sch of Tech-Region 8 | Rockland | Elementary | N-N | · | · |
Cities in Knox County
Rockland3 schoolsRockport2 schoolsThomaston2 schoolsAppleton1 schoolCamden1 schoolCushing1 schoolFriendship1 schoolHope1 schoolIsle Au Haut1 schoolMatinicus Isle Plantation1 schoolNorth Haven1 schoolOwls Head1 schoolTenants Harbor1 schoolUnion1 schoolVinalhaven1 schoolWarren1 schoolWashington1 school
About Knox County
Knox County is a low-population Maine county of about 41,003 residents, home to 21 public schools and roughly 4,217 students.
Looking at the wider area, census numbers show median household income runs near $74,096, 40% of adults hold a bachelor's degree or higher, and the poverty rate is around 4%. That income level is 6% meaningfully above the Maine median.
Looking at the level breakdown, Knox County consists of 15 elementary schools (2,112 students), 2 middle schools (655), 2 high schools (1,251), and 2 combined or other schools.
RSU 13 is the biggest district by enrollment, covering about 1,508 students across Knox County.
Five-year track record. Across the same 4-year window, public-school enrollment fell 3%: 4,338 students in SY 2020-21 versus 4,217 in SY 2024-25.
Within the allk12 community for this area, the community for Knox County discusses school events, board meetings, and seasonal calendars. Discussions cut across districts, schools, and grade levels.
Frequently asked questions
DATA · Census ACS 5-year · NCES Common Core of Data