Enrollment
92
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Norwich, CT
Federal NCES profile for Three Rivers Middle College Magnet School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
The verdict
Three Rivers Middle College Magnet School earns 44/100 on the Resource Investment Index, with class sizes larger than 97% of Connecticut schools. It is also one of the smallest schools in Connecticut.
Three Rivers Middle College Magnet School has class sizes larger than 97% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Three Rivers Middle College Magnet School ranks #1 of 3 high schools in Norwich, CT.
Enrollment
92
Connecticut · 2024-25 NCES data
Teachers (FTE)
5.0
Federal CCD staff survey
Students per teacher
18.4:1
vs 12.1:1 Connecticut avg
+52% vs state
Free-lunch eligible
39.2%
vs 36.4% Connecticut avg
+8% vs state
How Three Rivers Middle College Magnet School compares with Connecticut and U.S. medians
Larger classes than state median
18.4:1 - 6.3 above the Connecticut state median of 12.1:1, indicating larger average class loads than typical schools in the state.
Three Rivers Middle College Magnet School is a small high school in Norwich, Connecticut, enrolling 92 students.
Class loads run heavy: 18.4:1 is larger than about 97% of Connecticut schools and 52% above the 12.1:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 39.2% lands close to the Connecticut typical range, neither a high- nor low-need campus by this measure.
This is a small campus: fewer students than 98% of Connecticut schools, with 92 enrolled.
Its Resource Investment Index lands in the upper third of 1,003 scored Connecticut schools.
Its student body is led by White (57%) and Two or More (16%) (diversity index 62/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 92 students per counselor, inside the American School Counselor Association's recommended 250:1.
10.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Norwich's high schools, it stands alongside Norwich Free Academy (2,020 students): Three Rivers Middle College Magnet School is smaller than that campus by headcount and runs heavier classes (18.4:1 vs 11.7:1).
Learn also operates Regional Multicultural Magnet School (469 students) and The Friendship School (460 students) alongside Three Rivers Middle College Magnet 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
Three Rivers Middle College Magnet 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 | 18.4:1 | ▲ 52% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 39.2% | ▲ 8% | 36.4% | 51.7% |
| Enrollment | 92 | top 98% | - | - |
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 62.2, Three Rivers Middle College Magnet School is more mixed than the Connecticut school average of 50.5.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Regional Multicultural Magnet School | Larger | Higher economic need | Lower S:T ratio |
| The Friendship School | Larger | Similar economic need | Lower S:T ratio |
| Marine Science Magnet High School | Larger | Lower economic need | Lower S:T ratio |
Comparisons are relative to Three Rivers Middle College Magnet 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 Three Rivers Middle College Magnet 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.
Three Rivers Middle College Magnet School has 92 students enrolled. It is a high school in Norwich, CT.
The student-teacher ratio at Three Rivers Middle College Magnet School is 18.4:1, which is 52% higher than the Connecticut average of 12.1:1 and 17% higher than the national average of 15.7:1.
39.2% of students at Three Rivers Middle College Magnet School are eligible for free lunch, compared to the Connecticut average of 36.4%.
The largest demographic group at Three Rivers Middle College Magnet School is White at 56.7% of enrollment, in Norwich, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.2/100.
Three Rivers Middle College Magnet School has a Resource Investment Index of 44/100 (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).
By Resource Investment Index, Three Rivers Middle College Magnet School ranks #1 of 3 high schools in Norwich, 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 Norwich on the city page.
Three Rivers Middle College Magnet School earns 44/100 on the Resource Investment Index, with class sizes larger than 97% of Connecticut schools. It is also one of the smallest 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 Three Rivers Middle College Magnet School, Learn also operates Regional Multicultural Magnet School (469 students), The Friendship School (460 students), and Marine Science Magnet High School (274 students). See the Learn 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, “Three Rivers Middle College Magnet School, Norwich 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/three-rivers-middle-college-magnet-school-ct
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