Enrollment
1,865
Florida · 2024-25 NCES data
High school (grades 9-12) · Cape Coral, FL
Federal NCES profile for Mariner High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
The verdict
Mariner High School earns 39/100 on the Resource Investment Index, with class sizes larger than 91% of Florida schools. It is also one of the largest schools in Florida.
Mariner High School has class sizes larger than 91% of Florida schools. Computed live against every Florida school reporting to NCES.
By Resource Investment Index, Mariner High School ranks #5 of 6 high schools in Cape Coral, FL.
Enrollment
1,865
Florida · 2024-25 NCES data
Teachers (FTE)
77.0
Federal CCD staff survey
Students per teacher
24.2:1
vs 17.8:1 Florida avg
+36% vs state
Free-lunch eligible
41.6%
vs 52.0% Florida avg
-20% vs state
How Mariner High School compares with Florida and U.S. medians
Larger classes than state median
24.2:1 - 6.4 above the Florida state median of 17.8:1, indicating larger average class loads than typical schools in the state.
Mariner High School is a large high school in Cape Coral, Florida, enrolling 1,865 students.
Class loads run heavy: 24.2:1 is larger than about 91% of Florida schools and 36% above the 17.8:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 41.6% of students eligible for free meals.
By headcount it is one of the larger campuses in Florida, bigger than 95% of state schools at 1,865 students.
Its Resource Investment Index trails 91% of the 3,996 Florida schools with a score on record, one of the lower results on this measure.
Among 301 similarly sized, similarly resourced-need Florida schools statewide, it ranks #255, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (53%) and White (37%) (diversity index 58/100).
On the academic-pipeline side it reports 19 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 373 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 43.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 17.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 17 expulsions at this campus for 2021-22.
Lee also operates Gateway Charter Elementary School (3,192 students) and Lehigh Senior High School (2,550 students) alongside Mariner 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
Mariner 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 | 24.2:1 | ▲ 36% | 17.8:1 | 15.7:1 |
| Free-lunch eligible | 41.6% | ▼ 20% | 52.0% | 51.7% |
| Enrollment | 1,865 | top 5% | - | - |
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: Hispanic or Latino at 52.7% of enrollment.
Simpson diversity index - at 58.2, Mariner High School is more mixed than the Florida school average of 52.3.
District-wide per-pupil expenditure for Lee, which includes Mariner 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 |
|---|---|---|---|
| Gateway Charter Elementary School | Larger | Higher economic need | Higher S:T ratio |
| Lehigh Senior High School | Larger | Higher economic need | Similar S:T ratio |
| Gateway High School | Larger | Similar economic need | Higher S:T ratio |
| Ida S. Baker High School | Similar size | Similar economic need | Higher S:T ratio |
| East Lee County High School | Similar size | Higher economic need | Higher S:T ratio |
Comparisons are relative to Mariner 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 Mariner 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.
Mariner High School has 1,865 students enrolled. It is a high school in Cape Coral, FL.
The student-teacher ratio at Mariner High School is 24.2:1, which is 36% higher than the Florida average of 17.8:1 and 54% higher than the national average of 15.7:1.
41.6% of students at Mariner High School are eligible for free lunch, compared to the Florida average of 52.0%.
The largest demographic group at Mariner High School is Hispanic or Latino at 52.7% of enrollment, in Cape Coral, FL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.2/100.
Mariner High School has a Resource Investment Index of 39/100 (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, Mariner High School ranks #5 of 6 high schools in Cape Coral, 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 Cape Coral on the city page.
Mariner High School earns 39/100 on the Resource Investment Index, with class sizes larger than 91% 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 Mariner High School, Lee also operates Gateway Charter Elementary School (3,192 students), Lehigh Senior High School (2,550 students), and Gateway High School (2,343 students). See the Lee 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, “Mariner High School, Cape Coral 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/mariner-high-school-fl
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