Public schools in Ansonia, CT
5 open public schools with an address in Ansonia, operated by 2 education agencies. Compare size, staffing, grade spans, and school type, then confirm assignment with the district.
Public schools
5
NCES preliminary directory 2025–26
Reported students
2,961
5 schools reporting · NCES 2024–25
Median student–teacher ratio
14:1
Connecticut median 11.9:1
Charter schools
0
0 virtual
An overview of Ansonia public schools
The federal directory lists 5 public schools in Ansonia, CT: 2 elementary, 1 middle, 2 high. The 5 schools that reported 2024–25 membership enrolled 2,961 students, an average of 592 per school. The largest campus is Emmett O'Brien Technical High School (618 students), and the largest elementary school is Prendergast School (588).
Ansonia School District operates the most schools here (4), plus 1 charter, service, or other agency. City names come from school mailing addresses, which often differ from district or municipal boundaries.
Across schools that reported staffing, the median student–teacher ratio is 14:1, higher than the statewide school median of 11.9:1. A ratio counts classroom-teacher FTE against total enrollment, so specialized programs and part-time staffing can move it; ask schools for actual class sizes by grade.
Among 2 high and combined schools with 2021–22 civil-rights data, 1 reported students enrolled in AP courses and 1 of 2 reported computer-science classes. Confirm current course catalogs directly with each school.
About 59% of students in reporting schools were eligible for free or reduced-price meals in 2024–25. This describes the community served; it is not a quality signal, and community-eligibility schools can report differently.
School districts and agencies serving Ansonia
Elementary schools in Ansonia
2| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Mead School Ansonia School District | PK–05 | 578 | 15.2:1 | |
| Prendergast School Ansonia School District | PK–05 | 588 | 16.3:1 |
Middle schools in Ansonia
1| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Ansonia Middle School Ansonia School District | 06–08 | 560 | 14:1 |
High schools in Ansonia
2| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Ansonia High School Ansonia School District | 09–12 | 617 | 12.9:1 | |
| Emmett O'Brien Technical High School Connecticut Technical Education and Career System · Career and Technical School | 09–12 | 618 | 12.2:1 |
Student demographics
Race and ethnicity share of reported enrollment
- White26.9%
- Hispanic46.8%
- Black19.4%
- Asian1.7%
- American Indian / Alaska Native0.2%
- Native Hawaiian / Pacific Islander0.1%
- Multiracial4.8%
Enrollment-weighted across 5 Ansonia schools with NCES CCD 2024–25 race/ethnicity counts (2,961 students). Privacy suppression can leave small gaps.
Questions about public schools in Ansonia
How many public schools are in Ansonia, CT?
The current NCES directory lists 5 open public schools with a location address in Ansonia: 2 elementary, 1 middle, 2 high. Together they reported 2,961 students in 2024–25. The count includes charter, alternative, and special-purpose public schools; it excludes private schools.
Which school districts serve Ansonia?
Schools with an address in Ansonia belong to 2 education agencies, led by Ansonia School District (4 schools), Connecticut Technical Education and Career System (1 school). A mailing city is not an attendance boundary; confirm the district for a specific address.
What is the largest public high school in Ansonia?
Emmett O'Brien Technical High School reported the largest high-school enrollment in Ansonia, with 618 students in 2024–25 (grades 09–12). Size is a description of the campus, not a quality measure.
Are there charter schools in Ansonia?
No school with an address in Ansonia is identified as a charter school in the current NCES directory. Families may still have charter or virtual options elsewhere in Connecticut.
What is the typical student–teacher ratio in Ansonia schools?
The median reported student–teacher ratio across Ansonia public schools is 14:1, higher than the Connecticut school median of 11.9:1. The ratio divides enrollment by classroom-teacher FTE; it is not an average class size.
Does living in Ansonia guarantee a seat at a specific school?
No. Assignment depends on the district's attendance boundaries, programs, and enrollment rules, which can split a city or cross city lines. Use the district profile and its official boundary or school-locator tool to confirm the assigned school for an exact address.
Nearby Connecticut cities
Sources: NCES Common Core of Data 2025–26 preliminary directory (schools, grades, addresses, charter status) and 2024–25 nonfiscal files (enrollment, teachers, race/ethnicity, meal eligibility); Civil Rights Data Collection 2021–22 (AP and computer science). Cities are grouped by school mailing address. Methodology · All Connecticut cities