Enrollment
1,453
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Waterbury, CT
Crosby High School
Federal NCES profile for Crosby High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090483000971
👥 S:T ratio 34
📚 AP courses 25
🌟 Gifted program 30
🎓 Counselors 42
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Crosby High School earns 26/100 on the Resource Investment Index, with class sizes larger than 96% of Connecticut schools. It is also one of the largest schools in Connecticut.
- #5 of 5
- high schools in Waterbury · Resource Index
- 26
- Resource Index · Lower
- 16.5:1
- large classes for Connecticut
- 82.8%
- free-lunch eligible
Crosby High School has class sizes larger than 96% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Crosby High School ranks #5 of 5 high schools in Waterbury, CT.
School address
District: Waterbury School District · Connecticut
NCES ID 090483000971 Verify on NCES CCD record →
Teachers (FTE)
88.0
Federal CCD staff survey
Students per teacher
16.5:1
vs 12.1:1 Connecticut avg
+36% vs state
Free-lunch eligible
82.8%
vs 36.4% Connecticut avg
+127% vs state
Student-teacher ratio in context
How Crosby High School compares with Connecticut and U.S. medians
What stands out at Crosby High School
Crosby High School is a high-poverty, large high school in Waterbury, Connecticut, enrolling 1,453 students.
Class loads run heavy: 16.5:1 is larger than about 96% of Connecticut schools and 36% above the 12.1:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 82.8% of students qualify for free meals, 127% 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 98% of state schools at 1,453 students.
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.
Its student body is led by Hispanic or Latino (65%) and African American (24%) (diversity index 52/100).
On the academic-pipeline side it reports 5 Advanced Placement courses.
Counselor coverage runs a bit thin, about 291 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 54.6% 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.
Discipline events run high: 515 in- and out-of-school suspensions were reported for 1,453 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 6 expulsions at this campus for 2021-22.
Among Waterbury's high schools, it stands alongside John F. Kennedy High School (1,391 students): Crosby High School is larger than that campus by headcount and runs heavier classes (16.5:1 vs 15.5:1).
Waterbury School District also operates John F. Kennedy High School (1,391 students) and Wilby High School (1,196 students) alongside Crosby 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
How Crosby High School compares
Crosby 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 | 16.5:1 | ▲ 36% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 82.8% | ▲ 127% | 36.4% | 51.7% |
| Enrollment | 1,453 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.5:1
Leaner classes than 34% of US schools, a middle-of-the-pack class size.
1,453
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
82.8%
free-lunch eligible
- 127% above the Connecticut average of 36.4%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
16.5:1
students per teacher
- 36% above state mean
Top 96% in Connecticut - lower ratio than 4% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
54.6%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$18,981
per pupil, district-wide
- below Connecticut avg of $23,870
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 291 students, the combined health-and-guidance staffing load for this school.
Discipline context
282
in-school suspensions + 233 out-of-school
Suspension rate: 19.4 per 100 students. Combined in-school and out-of-school rate: 35.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 6 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
Hispanic or Latino 64.8%
African American 23.7%
White 6.2%
Two or More 3.4%
Asian 1.1%
American Indian / Alaska Native 0.8%
Largest group: Hispanic or Latino at 64.8% of enrollment.
Student-body diversity index 51.9/100
Simpson diversity index - at 51.9, Crosby High School is about as mixed as the Connecticut school average of 50.5.
Programs
AP courses offered 5
Funding & spending
District-wide per-pupil expenditure for Waterbury School District, which includes Crosby High School.
$18,981
Per student
-20%
vs Connecticut
Avg $23,870
+14%
vs U.S.
Avg $16,593
Revenue mix
Local 23.5%
State 63.9%
Federal 12.6%
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.
How Crosby High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| John F. Kennedy High School | Similar size | Similar economic need | Similar S:T ratio |
| Wilby High School | Similar size | Similar economic need | Similar S:T ratio |
| Michael F. Wallace Middle School | Smaller | Similar economic need | Lower S:T ratio |
| West Side Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Waterbury Arts Magnet School | Smaller | Lower economic need | Similar S:T ratio |
Comparisons are relative to Crosby High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,391
- Students per teacher
- 15.5:1
- Resource Index
- 35/100
- Enrollment
- 1,196
- Students per teacher
- 15.1:1
- Resource Index
- 30/100
- Enrollment
- 1,059
- Students per teacher
- 11.5:1
- Resource Index
- 38/100
- Enrollment
- 848
- Students per teacher
- 10.2:1
- Resource Index
- 37/100
- Enrollment
- 820
- Students per teacher
- 16.7:1
- Resource Index
- 39/100
Similar high schools in Waterbury
4 comparable high schools (grades 9-12) serving the same city.
John F. Kennedy High School
Standard public school
1,391 students 15.5:1 students per teacher
Wilby High School
Standard public school
1,196 students 15.1:1 students per teacher
W. F. Kaynor Technical High School
Vocational / career-technical school
831 students 13.2:1 students per teacher
Waterbury Career Academy
Standard public school
709 students 13.9:1 students per teacher
Similar high schools statewide
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.
Similar enrollment (~1,453 students)
Similar student-teacher ratio (~16.5:1)
Next steps
Verify locally before acting on Crosby High School's federal record.
- Compare Crosby High School against another school. Compare schools
- Waterbury School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Crosby High School
How many students attend Crosby High School?
Crosby High School has 1,453 students enrolled. It is a high school in Waterbury, CT.
What is the student-teacher ratio at Crosby High School?
The student-teacher ratio at Crosby High School is 16.5:1, which is 36% higher than the Connecticut average of 12.1:1 and 5% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Crosby High School?
82.8% of students at Crosby High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Crosby High School?
The largest demographic group at Crosby High School is Hispanic or Latino at 64.8% of enrollment, in Waterbury, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.9/100.
What is the Resource Investment Index for Crosby High School?
Crosby High School has a Resource Investment Index of 26/100 (lower 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).
How does Crosby High School rank among high schools in Waterbury?
By Resource Investment Index, Crosby High School ranks #5 of 5 high 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 high schools in Waterbury on the city page.
Is Crosby High School a good school?
Crosby High School earns 26/100 on the Resource Investment Index, with class sizes larger than 96% 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.
What other schools are in Waterbury School District?
Besides Crosby High School, Waterbury School District also operates John F. Kennedy High School (1,391 students), Wilby High School (1,196 students), and Michael F. Wallace Middle School (1,059 students). See the Waterbury School District district page for the complete list.
Related tools
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.