- Enrollment
- 588
- Students per teacher
- 16.8:1
- Resource Index
- 30/100
High school (grades 9-12) · Ansonia, CT
Ansonia High School
Federal NCES profile for Ansonia High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090006010002
👥 S:T ratio 48
🌟 Gifted program 30
🎓 Counselors 54
📋 Attendance 35
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ansonia High School earns 42/100 on the Resource Investment Index, with class sizes larger than 73% of Connecticut schools.
- #1 of 5
- public schools in Ansonia · Resource Index
- 42
- Resource Index · Typical
- 12.9:1
- large classes for Connecticut
- 50.6%
- free-lunch eligible
Ansonia High School has class sizes larger than 73% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Ansonia High School ranks #1 of 5 public schools in Ansonia, CT.
School address
District: Ansonia School District · Connecticut
NCES ID 090006010002 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+38 students YoY
Ansonia High School grew from 555 students in 2022-23 to 593 in 2023-24 (+6.8%).
Teacher FTE lost 48.5 → 48.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+38 students YoY 090006010002 · Ansonia, CT High · MID · TRAD
617 enr · 12.9:1 · 50.6% lunch · RII 42
Nearest enrollment peer: Prendergast School (588 students)
Ansonia High School grew from 555 students in 2022-23 to 593 in 2023-24 (+6.8%). Teacher FTE lost 48.5 → 48.2 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Ansonia High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Ansonia High School
617 students
- Prendergast Sc
Prendergast School
588 students
- Mead School
Mead School
578 students
- Ansonia Middle
Ansonia Middle School
560 students
What this shows Ansonia High School reports 617 students on the CCD universe file.
How Ansonia High School compares
Ansonia High School is a growing campus on CCD: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.9:1 | ▲ 7% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 50.6% | ▲ 39% | 36.4% | 51.7% |
| Enrollment | 617 | top 21% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.9:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
617
Bigger than 74% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
50.6%
free-lunch eligible
- 39% above the Connecticut average of 36.4%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
12.9:1
students per teacher
- 7% above state mean
Top 73% in Connecticut - lower ratio than 27% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
26.1%
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
$21,321
per pupil, district-wide
- below Connecticut avg of $24,680
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors2.7 FTE
Per 229 students, the combined health-and-guidance staffing load for this school.
Discipline context
70
in-school suspensions + 34 out-of-school
Suspension rate: 11.3 per 100 students. Combined in-school and out-of-school rate: 16.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 8 expulsions.
Student demographics
Hispanic or Latino 47.0%
White 25.4%
African American 19.3%
Two or More 5.3%
Asian 2.8%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 47.0% of enrollment.
Student-body diversity index 67.4/100
Simpson diversity index - at 67.4, Ansonia High School is more mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 8
District finance for Ansonia School District reports $21,321 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Ansonia High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Prendergast School | Similar size | Similar economic need | Higher S:T ratio |
| Mead School | Similar size | Similar economic need | Higher S:T ratio |
| Ansonia Middle School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Ansonia High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 578
- Students per teacher
- 14.4:1
- Resource Index
- 31/100
- Enrollment
- 560
- Students per teacher
- 14.4:1
- Resource Index
- 28/100
Similar high schools in Ansonia
1 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~617 students)
Similar student-teacher ratio (~12.9:1)
Frequently asked questions about Ansonia High School
How many students attend Ansonia High School?
Ansonia High School has 617 students enrolled. It is a high school in Ansonia, CT. CCD year-over-year: 555 (2022-23) → 593 (2023-24), up 38.
What is the student-teacher ratio at Ansonia High School?
The student-teacher ratio at Ansonia High School is 12.9:1, which is 7% higher than the Connecticut average of 12.1:1 and 18% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Ansonia High School?
50.6% of students at Ansonia High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Ansonia High School?
The largest demographic group at Ansonia High School is Hispanic or Latino at 47.0% of enrollment, in Ansonia, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.4/100.
What is the Resource Investment Index for Ansonia High School?
Ansonia High School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ansonia High School rank among public schools in Ansonia?
By Resource Investment Index, Ansonia High School ranks #1 of 5 public schools in Ansonia, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Ansonia on the city page.
What other schools are in Ansonia School District?
Besides Ansonia High School, Ansonia School District also operates Prendergast School (588 students), Mead School (578 students), and Ansonia Middle School (560 students). See the Ansonia School District district page for the complete list.