District overview
At a glance
Source years shown below
Reported students
2,262
NCES CCD 2024–25, where reported
Open schools
6
NCES preliminary directory 2025–26
Student–teacher ratio
11.2:1
Calculated from NCES 2024–25 enrollment and teacher FTE
Spending per pupil
$20,211
Current expenditure · FY 2023 F-33
Instruction per pupil
$11,526
Calculated from FY 2023 F-33
Grades served
PK–12
NCES preliminary directory 2025–26
District interpretation
What the numbers say about RSU 21
RSU 21 operates 6 current public-school records serving grades PK–12 in Kennebunk, Maine. NCES reports 2,262 students and 201.61 classroom teacher FTE for 2024–25.
By reported enrollment, the district ranks 20 of 263 Maine districts with data. That position describes scale only—it does not say whether individual schools are a good fit for a particular student.
FY 2023 finance records show $20,211 in current expenditure per pupil and $11,526 per pupil assigned to instruction. This places reported current spending 90 of 206 districts in Maine. Local wages, transportation, special education, facilities, and district responsibilities all affect this comparison.
Student context
Needs schools plan for
- English learners
- 0.9%
- Students with disabilities (IDEA)
- 19.7%
- Classroom teachers (FTE)
- 201.61
- Current expenditure (FY 2023)
- $49,011,000
Context measures describe who a district serves and its resources. They are not negative rating inputs.
RSU 21 location
Kennebunk, Maine · 43.4179, -70.5612. This is the NCES EDGE district-office point, not an attendance boundary.
Open exact point in OpenStreetMap →Student demographics
Race and ethnicity share of reported enrollment
- White90.5%
- Hispanic4%
- Black1.1%
- Asian1.8%
- American Indian / Alaska Native0.5%
- Native Hawaiian / Pacific Islander0.2%
- Multiracial2%
Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Totals can differ due to rounding or source privacy rules.
Interactive campus directory
Explore schools in RSU 21
6 current directory entries
Filter by school level or name, then sort by enrollment or reported student–teacher ratio.
Showing 6 of 6 schools
| School | Level | Grades | Students | Ratio |
|---|---|---|---|---|
| Kennebunk Elementary School | Elementary | PK–02 | 378 | 12:1 |
| Kennebunk High School | High | 09–12 | 683 | 11.6:1 |
| Kennebunkport Consolidated Sch | Elementary | KG–05 | 199 | 10:1 |
| Middle School of the Kennebunks | Middle | 06–08 | 470 | 9.9:1 |
| Mildred L Day School | Elementary | KG–05 | 224 | 11.4:1 |
| Sea Road School | Elementary | 03–05 | 308 | 12.6:1 |