Enrollment
436
Maine · 2024-25 NCES data
High school (grades 9-12) · Caribou, ME
Caribou High School
Federal NCES profile for Caribou High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 231479423170
👥 S:T ratio 42
📚 AP courses 10
🌟 Gifted program 70
🎓 Counselors 56
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Caribou High School earns 36/100 on the Resource Investment Index, with class sizes larger than 93% of Maine schools.
- 36
- Resource Index · Typical
- 14.5:1
- large classes for Maine
- 46.4%
- free-lunch eligible
- 436
- students enrolled
Caribou High School has class sizes larger than 93% of Maine schools. Computed live against every Maine school reporting to NCES.
School address
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
14.5:1
vs 11.1:1 Maine avg
+31% vs state
Free-lunch eligible
46.4%
vs 34.0% Maine avg
+36% vs state
Student-teacher ratio in context
How Caribou High School compares with Maine and U.S. medians
What stands out at Caribou High School
Caribou High School is a mid-sized high school in Caribou, Maine, enrolling 436 students.
Class loads run heavy: 14.5:1 is larger than about 93% of Maine schools and 31% above the 11.1:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 46.4% of students eligible for free meals.
Enrollment of 436 puts it in the larger third of Maine schools by headcount.
Its Resource Investment Index lands in the lower third of 569 scored Maine schools.
Against 98 statewide peers matched on enrollment and economic need, it ranks mid-pack at #49.
Its student body is predominantly White (89% of enrollment) (diversity index 21/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 218 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 40.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Its district, Rsu 39, also runs Caribou Community School (752 students).
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 Caribou High School compares
Caribou 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 | 14.5:1 | ▲ 31% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 46.4% | ▲ 36% | 34.0% | 51.7% |
| Enrollment | 436 | top 20% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.5:1
Leaner classes than 52% of US schools, a middle-of-the-pack class size.
436
Bigger than 53% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
46.4%
free-lunch eligible
- 36% above the Maine average of 34.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.5:1
students per teacher
- 31% above state mean
Top 93% in Maine - lower ratio than 7% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
40.1%
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
$16,915
per pupil, district-wide
- below Maine avg of $20,083
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors2.0 FTE
Per 218 students, the combined health-and-guidance staffing load for this school.
Discipline context
27
in-school suspensions + 26 out-of-school
Suspension rate: 6.2 per 100 students. Combined in-school and out-of-school rate: 12.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 88.5%
Two or More 5.5%
American Indian / Alaska Native 2.3%
African American 1.8%
Hispanic or Latino 1.8%
Largest group: White at 88.5% of enrollment.
Student-body diversity index 21.3/100
Simpson diversity index - at 21.3, Caribou High School is about as mixed as the Maine school average of 20.6.
Programs
AP program Not offered
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Rsu 39, which includes Caribou High School.
$16,915
Per student
-16%
vs Maine
Avg $20,083
+2%
vs U.S.
Avg $16,593
Revenue mix
Local 28.0%
State 59.3%
Federal 12.7%
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 Caribou High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Caribou Community School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Caribou High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 752
- Students per teacher
- 13.4:1
- Resource Index
- 42/100
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 (~436 students)
Similar student-teacher ratio (~14.5:1)
Next steps
Verify locally before acting on Caribou High School's federal record.
- Compare Caribou High School against another school. Compare schools
- Rsu 39'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 Caribou High School
How many students attend Caribou High School?
Caribou High School has 436 students enrolled. It is a high school in Caribou, ME.
What is the student-teacher ratio at Caribou High School?
The student-teacher ratio at Caribou High School is 14.5:1, which is 31% higher than the Maine average of 11.1:1 and 8% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Caribou High School?
46.4% of students at Caribou High School are eligible for free lunch, compared to the Maine average of 34.0%.
What is the racial and ethnic makeup of Caribou High School?
The largest demographic group at Caribou High School is White at 88.5% of enrollment, in Caribou, ME.
What is the Resource Investment Index for Caribou High School?
Caribou High School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Caribou High School a good school?
Caribou High School earns 36/100 on the Resource Investment Index, with class sizes larger than 93% of Maine schools. 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 39?
Besides Caribou High School, Rsu 39 also operates Caribou Community School (752 students). See the Rsu 39 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.