Enrollment
683
Maine · 2024-25 NCES data
High school (grades 9-12) · Kennebunk, ME
Kennebunk High School
Federal NCES profile for Kennebunk High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 231477300799
👥 S:T ratio 56
📚 AP courses 60
🌟 Gifted program 70
🎓 Counselors 54
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Kennebunk High School earns 48/100 on the Resource Investment Index, with class sizes near the Maine median.
- #3 of 4
- public schools in Kennebunk · Resource Index
- 48
- Resource Index · Typical
- 11:1
- students per teacher
- 9.5%
- free-lunch eligible
Kennebunk High School has class sizes near the Maine median. Computed live against every Maine school reporting to NCES.
By Resource Investment Index, Kennebunk High School ranks #3 of 4 public schools in Kennebunk, ME.
School address
Teachers (FTE)
62.0
Federal CCD staff survey
Students per teacher
11:1
vs 11.1:1 Maine avg
-1% vs state
Free-lunch eligible
9.5%
vs 34.0% Maine avg
-72% vs state
Student-teacher ratio in context
How Kennebunk High School compares with Maine and U.S. medians
What stands out at Kennebunk High School
Kennebunk High School is a lower-poverty, large high school in Kennebunk, Maine, enrolling 683 students.
At 11:1, its student-teacher ratio sits close to the Maine median, within a few percentage points of the 11.1:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 9.5% free-meal eligibility runs 72% below the Maine average.
By headcount it is one of the larger campuses in Maine, bigger than 94% of state schools at 683 students.
Its Resource Investment Index sits near the middle of the pack among 569 scored Maine schools.
Among 53 similarly sized, similarly resourced-need Maine schools statewide, it ranks #41, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (92% of enrollment) (diversity index 16/100).
On the academic-pipeline side it reports 12 Advanced Placement courses.
Counselor coverage is strong, about 228 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 42.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Rsu 21 also operates Middle School of the Kennebunks (470 students) and Kennebunk Elementary School (378 students) alongside Kennebunk High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Kennebunk High School compares
Kennebunk High School on the metrics families compare, against Maine and U.S. means.
| Metric | This school | vs Maine | Maine avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11:1 | ▼ 1% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 9.5% | ▼ 72% | 34.0% | 51.7% |
| Enrollment | 683 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11:1
Leaner classes than 83% of US schools, among the more generously staffed nationally.
683
Bigger than 79% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
9.5%
free-lunch eligible
- 72% below the Maine average of 34.0%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11:1
students per teacher
- 1% below state mean
Top 51% in Maine - lower ratio than 49% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
42.9%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,898
per pupil, district-wide
- below Maine avg of $20,083
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 228 students, the combined health-and-guidance staffing load for this school.
Discipline context
17
in-school suspensions + 26 out-of-school
Suspension rate: 2.5 per 100 students. Combined in-school and out-of-school rate: 6.3 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 91.5%
Hispanic or Latino 3.4%
Asian 1.5%
African American 1.2%
Two or More 1.0%
American Indian / Alaska Native 0.9%
Native Hawaiian / Pacific Islander 0.6%
Largest group: White at 91.5% of enrollment.
Student-body diversity index 16.1/100
Simpson diversity index - at 16.1, Kennebunk High School is less mixed than the Maine school average of 20.6.
Programs
AP courses offered 12
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Rsu 21, which includes Kennebunk High School.
$18,898
Per student
-6%
vs Maine
Avg $20,083
+14%
vs U.S.
Avg $16,593
Revenue mix
Local 78.3%
State 18.5%
Federal 3.2%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Kennebunk High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Middle School of the Kennebunks | Smaller | Similar economic need | Similar S:T ratio |
| Kennebunk Elementary School | Smaller | Similar economic need | Similar S:T ratio |
| Sea Road School | Smaller | Similar economic need | Similar S:T ratio |
| Mildred L Day School | Smaller | Similar economic need | Similar S:T ratio |
| Kennebunkport Consolidated Sch | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Kennebunk High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 470
- Students per teacher
- 10.4:1
- Resource Index
- 54/100
- Enrollment
- 378
- Students per teacher
- 11.8:1
- Resource Index
- 48/100
- Enrollment
- 308
- Students per teacher
- 12.3:1
- Resource Index
- 39/100
- Enrollment
- 224
- Students per teacher
- 11.8:1
- Resource Index
- 44/100
- Enrollment
- 199
- Students per teacher
- 11.1:1
- Resource Index
- 40/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Maine, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~683 students)
Next steps
Verify locally before acting on Kennebunk High School's federal record.
- Compare Kennebunk High School against another school. Compare schools
- Rsu 21's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Kennebunk High School
How many students attend Kennebunk High School?
Kennebunk High School has 683 students enrolled. It is a high school in Kennebunk, ME.
What is the student-teacher ratio at Kennebunk High School?
The student-teacher ratio at Kennebunk High School is 11:1, which is 1% lower than the Maine average of 11.1:1 and 30% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Kennebunk High School?
9.5% of students at Kennebunk High School are eligible for free lunch, compared to the Maine average of 34.0%.
What is the racial and ethnic makeup of Kennebunk High School?
The largest demographic group at Kennebunk High School is White at 91.5% of enrollment, in Kennebunk, ME.
What is the Resource Investment Index for Kennebunk High School?
Kennebunk High School has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Kennebunk High School rank among public schools in Kennebunk?
By Resource Investment Index, Kennebunk High School ranks #3 of 4 public schools in Kennebunk, ME. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Kennebunk on the city page.
Is Kennebunk High School a good school?
Kennebunk High School earns 48/100 on the Resource Investment Index, with class sizes near the Maine median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Rsu 21?
Besides Kennebunk High School, Rsu 21 also operates Middle School of the Kennebunks (470 students), Kennebunk Elementary School (378 students), and Sea Road School (308 students). See the Rsu 21 district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.