Enrollment
809
Florida · 2024-25 NCES data
Other / mixed grade configuration · Marathon, FL
Marathon School
Federal NCES profile for Marathon School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataOther / mixed grade configurationNCES 120132001296
👥 S:T ratio 28
🌟 Gifted program 70
🎓 Counselors 19
📋 Attendance 15
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Marathon School earns 33/100 on the Resource Investment Index, with class sizes near the Florida median.
- 33
- Resource Index · Typical
- 18:1
- students per teacher
- 49.6%
- free-lunch eligible
- 809
- students enrolled
Marathon School has class sizes near the Florida median. Computed live against every Florida school reporting to NCES.
School address
Teachers (FTE)
45.0
Federal CCD staff survey
Students per teacher
18:1
vs 17.8:1 Florida avg
+1% vs state
Free-lunch eligible
49.6%
vs 52.0% Florida avg
-5% vs state
Student-teacher ratio in context
How Marathon School compares with Florida and U.S. medians
What stands out at Marathon School
Marathon School is a mid-sized combined-grade school in Marathon, Florida, enrolling 809 students.
Class loads run somewhat heavier than typical: 18:1 puts it in the larger third of Florida schools by student-teacher ratio.
Its free-meal eligibility rate of 49.6% lands close to the Florida typical range, neither a high- nor low-need campus by this measure.
Enrollment of 809 puts it in the larger third of Florida schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 3,996 scored Florida schools.
Against 931 statewide peers matched on enrollment and economic need, it ranks mid-pack at #562.
Its student body is led by Hispanic or Latino (55%) and White (37%) (diversity index 56/100).
Counselor access is stretched at roughly 405 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 34.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Monroe spends $15,790 per pupil, 41% above the Florida average, a better-resourced district than most.
The federal civil-rights collection also records 3 expulsions at this campus for 2021-22.
Monroe also operates Key West High School (1,337 students) and Horace O'bryant School (1,011 students) alongside Marathon 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 Marathon School compares
Marathon School on the metrics families compare, against Florida and U.S. means.
| Metric | This school | vs Florida | Florida avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18:1 | ▲ 1% | 17.8:1 | 15.7:1 |
| Free-lunch eligible | 49.6% | ▼ 5% | 52.0% | 51.7% |
| Enrollment | 809 | top 30% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18:1
Leaner classes than 24% of US schools, heavier class loads than most.
809
Bigger than 86% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
49.6%
free-lunch eligible
- 5% below the Florida average of 52.0%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
18:1
students per teacher
- 1% above state mean
Top 64% in Florida - lower ratio than 36% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
34.0%
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
$15,790
per pupil, district-wide
- above Florida avg of $11,167
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors2.0 FTE
Per 405 students, the combined health-and-guidance staffing load for this school.
Discipline context
53
in-school suspensions + 106 out-of-school
Suspension rate: 6.6 per 100 students. Combined in-school and out-of-school rate: 19.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 3 expulsions.
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
Hispanic or Latino 55.0%
White 37.2%
African American 5.2%
Two or More 2.0%
Asian 0.5%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 55.0% of enrollment.
Student-body diversity index 55.6/100
Simpson diversity index - at 55.6, Marathon School is more mixed than the Florida school average of 52.3.
Programs
AP courses offered 14
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Monroe, which includes Marathon School.
$15,790
Per student
+41%
vs Florida
Avg $11,167
-5%
vs U.S.
Avg $16,593
Revenue mix
Local 77.6%
State 8.9%
Federal 13.5%
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 Marathon School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Key West High School | Larger | Lower economic need | Similar S:T ratio |
| Horace O'bryant School | Similar size | Similar economic need | Lower S:T ratio |
| Coral Shores High School | Similar size | Lower economic need | Similar S:T ratio |
| Key Largo School | Similar size | Similar economic need | Lower S:T ratio |
| Gerald Adams Elementary School | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Marathon School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,337
- Students per teacher
- 17.8:1
- Resource Index
- 43/100
- Enrollment
- 1,011
- Students per teacher
- 13.5:1
- Resource Index
- 41/100
- Enrollment
- 753
- Students per teacher
- 17.5:1
- Resource Index
- 39/100
- Enrollment
- 690
- Students per teacher
- 10.1:1
- Resource Index
- 42/100
- Enrollment
- 674
- Students per teacher
- 15.7:1
- Resource Index
- 33/100
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Florida, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~809 students)
Next steps
Verify locally before acting on Marathon School's federal record.
- Compare Marathon School against another school. Compare schools
- Monroe'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 Marathon School
How many students attend Marathon School?
Marathon School has 809 students enrolled. It is a public school in Marathon, FL.
What is the student-teacher ratio at Marathon School?
The student-teacher ratio at Marathon School is 18:1, which is 1% higher than the Florida average of 17.8:1 and 15% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Marathon School?
49.6% of students at Marathon School are eligible for free lunch, compared to the Florida average of 52.0%.
What is the racial and ethnic makeup of Marathon School?
The largest demographic group at Marathon School is Hispanic or Latino at 55.0% of enrollment, in Marathon, FL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.6/100.
What is the Resource Investment Index for Marathon School?
Marathon School has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Marathon School a good school?
Marathon School earns 33/100 on the Resource Investment Index, with class sizes near the Florida 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 Monroe?
Besides Marathon School, Monroe also operates Key West High School (1,337 students), Horace O'bryant School (1,011 students), and Coral Shores High School (753 students). See the Monroe 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.