Enrollment
344
Connecticut · 2024-25 NCES data
Other / mixed grade configuration · Waterbury, CT
Federal NCES profile for Sprague School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
The verdict
Sprague School earns 26/100 on the Resource Investment Index, with class sizes larger than 87% of Connecticut schools.
Sprague School has class sizes larger than 87% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Sprague School ranks #14 of 21 schools in Waterbury, CT.
NCES ID 090483000986 Verify on NCES CCD record →
Enrollment
344
Connecticut · 2024-25 NCES data
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
14.3:1
vs 12.1:1 Connecticut avg
+18% vs state
Free-lunch eligible
82.1%
vs 36.4% Connecticut avg
+126% vs state
How Sprague School compares with Connecticut and U.S. medians
Slightly above state median
14.3:1 - 2.2 above the Connecticut state median of 12.1:1, indicating larger average class loads than typical schools in the state.
Sprague School is a high-poverty, mid-sized combined-grade school in Waterbury, Connecticut, enrolling 344 students.
Class loads run heavy: 14.3:1 is larger than about 87% of Connecticut schools and 18% above the 12.1:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 82.1% of students qualify for free meals, 126% above the Connecticut average, a Title I-weighted population that federal funding formulas prioritise.
With 344 students, its enrollment sits close to the Connecticut median campus size.
Its Resource Investment Index trails 96% of the 1,003 Connecticut schools with a score on record, one of the lower results on this measure.
Among 78 similarly sized, similarly resourced-need Connecticut schools statewide, it ranks #66, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (75%) and African American (17%) (diversity index 41/100).
Counselor availability sits well past the ASCA benchmark, roughly 344 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 48.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Waterbury School District spends $18,981 per pupil, 20% below the Connecticut average, a leaner-resourced district than most.
Among Waterbury's public schools, it stands alongside Waterbury Arts Magnet School (820 students): Sprague School is smaller than that campus by headcount and runs leaner classes (14.3:1 vs 16.7:1).
Waterbury School District also operates Crosby High School (1,453 students) and John F. Kennedy High School (1,391 students) alongside Sprague 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
Sprague 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 | 14.3:1 | ▲ 18% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 82.1% | ▲ 126% | 36.4% | 51.7% |
| Enrollment | 344 | top 65% | - | - |
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 75.0% of enrollment.
Simpson diversity index - at 40.6, Sprague School is less mixed than the Connecticut school average of 50.5.
District-wide per-pupil expenditure for Waterbury School District, which includes Sprague 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 |
|---|---|---|---|
| Crosby High School | Larger | Similar economic need | Higher S:T ratio |
| John F. Kennedy High School | Larger | Similar economic need | Similar S:T ratio |
| Wilby High School | Larger | Similar economic need | Similar S:T ratio |
| Michael F. Wallace Middle School | Larger | Similar economic need | Lower S:T ratio |
| West Side Middle School | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Sprague School's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) 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 Sprague 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.
Sprague School has 344 students enrolled. It is a public school in Waterbury, CT.
The student-teacher ratio at Sprague School is 14.3:1, which is 18% higher than the Connecticut average of 12.1:1 and 9% lower than the national average of 15.7:1.
82.1% of students at Sprague School are eligible for free lunch, compared to the Connecticut average of 36.4%.
The largest demographic group at Sprague School is Hispanic or Latino at 75.0% of enrollment, in Waterbury, CT.
Sprague School has a Resource Investment Index of 26/100 (lower reported resources relative to schools nationally) based on 4 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, Sprague School ranks #14 of 21 schools in Waterbury, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Waterbury on the city page.
Sprague School earns 26/100 on the Resource Investment Index, with class sizes larger than 87% 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 Sprague School, Waterbury School District also operates Crosby High School (1,453 students), John F. Kennedy High School (1,391 students), and Wilby High School (1,196 students). See the Waterbury 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, “Sprague School, Waterbury 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/sprague-school-ct
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