Enrollment
1,191
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Meriden, CT
Federal NCES profile for Orville H. Platt High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Orville H. Platt High School earns 51/100 on the Resource Investment Index, with class sizes larger than 94% of Connecticut schools. It is also one of the largest schools in Connecticut.
Orville H. Platt High School has class sizes larger than 94% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Orville H. Platt High School ranks #3 of 3 high schools in Meriden, CT.
NCES ID 090240000449 Verify on NCES CCD record →
Enrollment
1,191
Connecticut · 2024-25 NCES data
Teachers (FTE)
77.0
Federal CCD staff survey
Students per teacher
15.5:1
vs 12.1:1 Connecticut avg
+28% vs state
Free-lunch eligible
64.9%
vs 36.4% Connecticut avg
+78% vs state
How Orville H. Platt High School compares with Connecticut and U.S. medians
Larger classes than state median
15.5:1 - 3.4 above the Connecticut state median of 12.1:1, indicating larger average class loads than typical schools in the state.
Orville H. Platt High School is a higher-need, large high school in Meriden, Connecticut, enrolling 1,191 students.
Class loads run heavy: 15.5:1 is larger than about 94% of Connecticut schools and 28% above the 12.1:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 64.9% of students qualify for free meals, 78% above the Connecticut average, a Title I-weighted population that federal funding formulas prioritise.
By headcount it is one of the larger campuses in Connecticut, bigger than 96% of state schools at 1,191 students.
Its Resource Investment Index lands in the lower third of 1,003 scored Connecticut schools.
Against 27 statewide peers matched on enrollment and economic need, it ranks mid-pack at #12.
Its student body is led by Hispanic or Latino (64%) and White (18%) (diversity index 54/100).
On the academic-pipeline side it reports 27 Advanced Placement courses.
Counselor coverage is strong, about 170 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 32.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Meriden School District spends $19,132 per pupil, 20% below the Connecticut average, a leaner-resourced district than most.
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Among Meriden's high schools, it stands alongside Francis T. Maloney High School (1,291 students): Orville H. Platt High School is smaller than that campus by headcount and runs heavier classes (15.5:1 vs 15:1).
Meriden School District also operates Francis T. Maloney High School (1,291 students) and Edison Middle School (773 students) alongside Orville H. Platt 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
Orville H. Platt High School on the metrics families compare, against Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.5:1 | ▲ 28% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 64.9% | ▲ 78% | 36.4% | 51.7% |
| Enrollment | 1,191 | 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: Hispanic or Latino at 64.3% of enrollment.
Simpson diversity index - at 53.7, Orville H. Platt High School is more mixed than the Connecticut school average of 50.5.
District-wide per-pupil expenditure for Meriden School District, which includes Orville H. Platt 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 |
|---|---|---|---|
| Francis T. Maloney High School | Similar size | Lower economic need | Similar S:T ratio |
| Edison Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Lincoln Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Casimir Pulaski School | Smaller | Similar economic need | Lower S:T ratio |
| Washington Middle School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Orville H. Platt High School's own figures; each column derives from NCES Common Core of Data.
2 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of Connecticut, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Orville H. Platt 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.
Orville H. Platt High School has 1,191 students enrolled. It is a high school in Meriden, CT.
The student-teacher ratio at Orville H. Platt High School is 15.5:1, which is 28% higher than the Connecticut average of 12.1:1 and 1% lower than the national average of 15.7:1.
64.9% of students at Orville H. Platt High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
The largest demographic group at Orville H. Platt High School is Hispanic or Latino at 64.3% of enrollment, in Meriden, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.7/100.
Orville H. Platt High School has a Resource Investment Index of 51/100 (higher 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, Orville H. Platt High School ranks #3 of 3 high schools in Meriden, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Meriden on the city page.
Orville H. Platt High School earns 51/100 on the Resource Investment Index, with class sizes larger than 94% of Connecticut schools. It is also one of the largest schools in Connecticut. 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 Orville H. Platt High School, Meriden School District also operates Francis T. Maloney High School (1,291 students), Edison Middle School (773 students), and Lincoln Middle School (684 students). See the Meriden School District 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, “Orville H. Platt High School, Meriden CT.” 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/orville-h-platt-high-school-ct
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