Enrollment
693
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Watertown, CT
Federal NCES profile for Watertown High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
The verdict
Watertown High School earns 54/100 on the Resource Investment Index, with class sizes smaller than 80% of Connecticut schools.
Watertown High School has class sizes smaller than 80% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
NCES ID 090489001008 Verify on NCES CCD record →
Enrollment
693
Connecticut · 2024-25 NCES data
Teachers (FTE)
69.0
Federal CCD staff survey
Students per teacher
10:1
vs 12.1:1 Connecticut avg
-17% vs state
Free-lunch eligible
23.9%
vs 36.4% Connecticut avg
-34% vs state
How Watertown High School compares with Connecticut and U.S. medians
Smaller classes than state median
10:1 - 2.1 below the Connecticut state median of 12.1:1, indicating smaller average class loads than typical schools in the state.
Watertown High School is a mid-sized high school in Watertown, Connecticut, enrolling 693 students.
Class sizes run a bit leaner than typical: 10:1 puts it in the smaller third of Connecticut schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 23.9% of students eligible for free meals.
Enrollment of 693 puts it in the larger third of Connecticut schools by headcount.
Its Resource Investment Index lands in the upper third of 1,003 scored Connecticut schools.
Against 189 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #52.
Its student body is led by White (78%) and Hispanic or Latino (13%) (diversity index 37/100).
On the academic-pipeline side it reports 10 Advanced Placement courses.
Counselor coverage is strong, about 173 students per counselor, inside the American School Counselor Association's recommended 250:1.
14.6% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The federal civil-rights collection also records 5 expulsions at this campus for 2021-22.
Watertown School District also operates John Trumbull Primary School (610 students) and Swift Middle School (591 students) alongside Watertown 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
Watertown 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 | 10:1 | ▼ 17% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 23.9% | ▼ 34% | 36.4% | 51.7% |
| Enrollment | 693 | top 16% | - | - |
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 77.9% of enrollment.
Simpson diversity index - at 37.3, Watertown High School is less mixed than the Connecticut school average of 50.5.
District-wide per-pupil expenditure for Watertown School District, which includes Watertown 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 |
|---|---|---|---|
| John Trumbull Primary School | Similar size | Similar economic need | Higher S:T ratio |
| Swift Middle School | Similar size | Similar economic need | Higher S:T ratio |
| Polk School | Smaller | Similar economic need | Higher S:T ratio |
| Fletcher W. Judson School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Watertown 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 Connecticut, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Watertown 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.
Watertown High School has 693 students enrolled. It is a high school in Watertown, CT.
The student-teacher ratio at Watertown High School is 10:1, which is 17% lower than the Connecticut average of 12.1:1 and 36% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
23.9% of students at Watertown High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
The largest demographic group at Watertown High School is White at 77.9% of enrollment, in Watertown, CT.
Watertown High School has a Resource Investment Index of 54/100 (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).
Watertown High School earns 54/100 on the Resource Investment Index, with class sizes smaller than 80% of Connecticut schools. 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 Watertown High School, Watertown School District also operates John Trumbull Primary School (610 students), Swift Middle School (591 students), and Polk School (303 students). See the Watertown 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, “Watertown High School, Watertown 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/watertown-high-school-ct
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