Enrollment
2,055
Florida · 2024-25 NCES data
High school (grades 9-12) · Stuart, FL
Federal NCES profile for Martin County High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
Martin County High School earns 45/100 on the Resource Investment Index, with class sizes larger than 77% of Florida schools. It is also one of the largest schools in Florida.
Martin County High School has class sizes larger than 77% of Florida schools. Computed live against every Florida school reporting to NCES.
By Resource Investment Index, Martin County High School ranks #3 of 5 high schools in Stuart, FL.
Enrollment
2,055
Florida · 2024-25 NCES data
Teachers (FTE)
102.0
Federal CCD staff survey
Students per teacher
20.1:1
vs 17.8:1 Florida avg
+13% vs state
Free-lunch eligible
37.2%
vs 52.0% Florida avg
-28% vs state
How Martin County High School compares with Florida and U.S. medians
Slightly above state median
20.1:1 - 2.3 above the Florida state median of 17.8:1, indicating larger average class loads than typical schools in the state.
Martin County High School is a large high school in Stuart, Florida, enrolling 2,055 students.
Class loads run somewhat heavier than typical: 20.1:1 puts it in the larger third of Florida schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 37.2% of students eligible for free meals.
By headcount it is one of the larger campuses in Florida, bigger than 96% of state schools at 2,055 students.
Its Resource Investment Index sits near the middle of the pack among 3,996 scored Florida schools.
Against 245 statewide peers matched on enrollment and economic need, it ranks mid-pack at #110.
Its student body is led by White (57%) and Hispanic or Latino (32%) (diversity index 57/100).
On the academic-pipeline side it reports 19 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 343 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 35.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Martin also operates South Fork High School (1,775 students) and Jensen Beach High School (1,722 students) alongside Martin County 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
Martin County High 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 | 20.1:1 | ▲ 13% | 17.8:1 | 15.7:1 |
| Free-lunch eligible | 37.2% | ▼ 28% | 52.0% | 51.7% |
| Enrollment | 2,055 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 56.7% of enrollment.
Simpson diversity index - at 57.0, Martin County High School is more mixed than the Florida school average of 52.3.
District-wide per-pupil expenditure for Martin, which includes Martin County High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| South Fork High School | Similar size | Similar economic need | Similar S:T ratio |
| Jensen Beach High School | Similar size | Similar economic need | Higher S:T ratio |
| Treasure Coast Classical Academy | Smaller | Lower economic need | Lower S:T ratio |
| Hidden Oaks Middle School | Smaller | Lower economic need | Lower S:T ratio |
| Dr. David L. Anderson Middle School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Martin County High School's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Martin County High School's federal record.
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.
Martin County High School has 2,055 students enrolled. It is a high school in Stuart, FL.
The student-teacher ratio at Martin County High School is 20.1:1, which is 13% higher than the Florida average of 17.8:1 and 28% higher than the national average of 15.7:1.
37.2% of students at Martin County High School are eligible for free lunch, compared to the Florida average of 52.0%.
The largest demographic group at Martin County High School is White at 56.7% of enrollment, in Stuart, FL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.0/100.
Martin County High School has a Resource Investment Index of 45/100 (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).
By Resource Investment Index, Martin County High School ranks #3 of 5 high schools in Stuart, FL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Stuart on the city page.
Martin County High School earns 45/100 on the Resource Investment Index, with class sizes larger than 77% of Florida schools. It is also one of the largest schools in Florida. 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.
Besides Martin County High School, Martin also operates South Fork High School (1,775 students), Jensen Beach High School (1,722 students), and Treasure Coast Classical Academy (1,082 students). See the Martin district page for the complete list.
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.
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PlainSchools, “Martin County High School, Stuart FL.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/martin-county-high-school-fl
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