Ansonia High School

High school·Grades 9-12 Ansonia, Connecticut·06401
Score
18.4/100
Compare Ansonia High School with another school
#149
Among 182 Connecticut high schools
Top 82%
In Connecticut

Score 18.4/100: better than 18% of Connecticut high schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

Performance Index (0-100) on state tests in Connecticut, all students. Colored bars are green when the school is at or above the average for similar Connecticut schools.

English language arts
44.4
Similar Connecticut schools ≈ 54.6, better than 17% of them
Math
39.3
Similar Connecticut schools ≈ 49.8, better than 20% of them
Science
47.7
Similar Connecticut schools ≈ 58.4, better than 20% of them
All Connecticut schools (ELA / math)
64.8 / 61.3
State average across every school type, 2024-25
All 3 published results by grade and test

As published by Connecticut State Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsAll gradesCT NGA Indicator 1 Performance Index (SBAC ELA/Math, NGSS Science)44.4—
MathAll gradesCT NGA Indicator 1 Performance Index (SBAC ELA/Math, NGSS Science)39.3—
ScienceAll gradesCT NGA Indicator 1 Performance Index (SBAC ELA/Math, NGSS Science)47.7—

School profile

Grades
9-12
Students
593
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
593
Typical high school: 688
Free or reduced-price lunch
62%
Typical high school: 41%

District and location

City
Naugatuck Valley Planning Region

Contact

Address
20 Pulaski Hwy.
Ansonia, CT 06401

"Typical" is the middle (median) high school in Connecticut. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby high schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Ansonia High School at a glance

Ansonia High School is a public high school in Ansonia, Connecticut, serving grades 9-12. It is part of Ansonia School District. It has about 593 students (a typical Connecticut high school has 688). About 62% of students are eligible for free or reduced-price lunch, compared with 41% at a typical Connecticut high school, which is useful context when reading test results.

In 2024-25 state tests, 44.4 in English language arts (similar schools: 54.6) and 39.3 in math (similar schools: 49.8) reached the performance index shown (Performance Index (0-100)). On our score, which compares it only with other Connecticut high schools, it scores 18.4 out of 100: better than 18% of them, ranking #149 of 182. Its English language arts result was broadly unchanged from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

Compare Ansonia High School with another school

Page updated 2026-10-12.