Average
#638 of 990 schools in CT
Ansonia High School
High School · Ansonia School District
20 Pulaski Hwy., Ansonia, CT 06401
Enrollment
593
Student-Teacher
12.4:1
Score
5.5
Grades
9th – 12th
Enrollment
593
Student-Teacher
12.4:1
Score
5.5
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Connecticut schools
#638 of 990
In Ansonia
#2 of 5
public schools
In district
#1 of 4
Ansonia School District
Academic growth
9.3 / 10
Excellent
Shortlisting around Ansonia High School?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Ansonia High School
High School in Ansonia · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Emmett O'brien Technical High School
0.6 mi away. Use as a geographic alternative in the same move search.
Prendergast School
0.5 mi away. Use as a geographic alternative in the same move search.
About Ansonia High School
Ansonia High School is a public high school in Ansonia, CT, part of Ansonia School District. Ansonia High School serves approximately 593 students, and covers grades 9th-12th, and has a 12.4:1 student-teacher ratio. Ansonia High School has a current MySchoolScout rating of 5.5 out of 10 and ranks #638 of 990 schools in CT.
Structured state assessment records for Ansonia High School show 20% math proficiency (multi-year average, 2015-2022) and 44% reading/ELA proficiency (multi-year average, 2015-2022).
- This school 5.5 · Average
- CT avg 6.1
What Parents Should Know
Test scores at Ansonia High School sit below average, but its growth scores are strong: students here make above-average progress year over year. The raw numbers haven't caught up, but a school that keeps moving kids forward is doing the harder, more important work.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
Ansonia High School — Students at Ansonia High School score 27% proficient, which is below what's typical for similar communities (expected: 35%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
58.5%
Students qualifying for federal meal assistance
Test Scores CT EDFACTS (2021-22)
Based on 16 test records from CT state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.3/10.
How Ansonia High School Compares
See how Ansonia High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
20 Pulaski Hwy., Ansonia, CT 06401
Nearby Alternatives
Families considering Ansonia High School may also want to explore other high schools in the area. Emmett O'Brien Technical High School (rated 6.2/10, 0.6 miles away), which scores slightly higher. Another option is Shelton High School (rated 6.0/10, 2.8 miles away, in nearby Shelton), which scores slightly higher. Additionally, Derby High School (rated 4.7/10, 1.8 miles away, in nearby Derby), with a comparable rating. For more schools in Ansonia, see our Ansonia schools guide .
Nearby Schools
20 within 3.8 mi| School | Distance | Rating |
|---|---|---|
| Emmett O'Brien Technical High School Ansonia | 0.6 mi | 6.2 |
| Prendergast School Ansonia | 0.5 mi | 3.1 |
| Bradley School Derby | 0.6 mi | 7.7 |
| Mead School Ansonia | 1.1 mi | 2.6 |
| Irving School Derby | 1.2 mi | 5.1 |
| Ansonia Middle School Ansonia | 1.4 mi | 5.5 |
| ST MARY & ST MICHAEL SCHOOL Derby | 1.2 mi | 6.2 |
| ASSUMPTION SCHOOL Ansonia | 1.7 mi | 3.4 |
| Derby High School Derby | 1.8 mi | 4.7 |
| Little Raiders University Derby | 1.8 mi | 4.4 |
| Derby Middle School Derby | 1.8 mi | 4.7 |
| Sunnyside School Shelton | 2.5 mi | 7.9 |
| Perry Hill Elementary School Shelton | 2.1 mi | 6.2 |
| THE FOUNDATION SCHOOL ORANGE Orange | 2.7 mi | — |
| Turkey Hill School Orange | 2.7 mi | 8.4 |
| Shelton High School Shelton | 2.8 mi | 6.0 |
| Long Hill School Shelton | 3.5 mi | 7.6 |
| Intermediate School Shelton | 2.9 mi | 6.7 |
| Beecher Road School Woodbridge | 2.9 mi | 9.2 |
| Mary L. Tracy School Orange | 3.8 mi | 5.1 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 06401 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$80,953
Median Home Value
$268,400
Median Rent
$1,405/mo
Population
19,160
College Educated
22.9%
Homeownership
58.8%
Avg Commute
25.7 min
Poverty Rate
8.5%
Median Age
39.8
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Eli Whitney Technical High School Hamden, CT | 5.5 |
| H. C. Wilcox Technical High School Meriden, CT | 5.5 |
| IMMACULATE HIGH SCHOOL Danbury, CT | 5.5 |
| Ledyard High School Ledyard, CT | 5.5 |
| NOTRE DAME HIGH SCHOOL West Haven, CT | 5.5 |
| Terryville High School Terryville, CT | 5.5 |
Frequently Asked Questions
Common questions about Ansonia High School
What grades does Ansonia High School serve?
Ansonia High School serves students in grades 9th through 12th.
How many students attend Ansonia High School?
Ansonia High School has an enrollment of approximately 593 students.
What is the student-teacher ratio at Ansonia High School?
The student-teacher ratio at Ansonia High School is 12.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Ansonia High School rank in CT?
Ansonia High School ranks #638 of 990 schools in CT.
What is Ansonia High School's MySchoolScout rating?
Ansonia High School has a current MySchoolScout rating of 5.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Ansonia High School?
Based on loaded state assessment records, Ansonia High School has 20% math proficiency (multi-year average, 2015-2022) and 44% reading/ELA proficiency (multi-year average, 2015-2022).
Is Ansonia High School a charter school?
No, Ansonia High School is not a charter school. It is a traditional public school operated by the local school district.
Is Ansonia High School a Title I school?
No, Ansonia High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Ansonia High School?
58.5% of students at Ansonia High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 593
- Student-Teacher Ratio
- 12.4:1
- Teachers (FTE)
- 48
- Free/Reduced Lunch
- 58.5%
- Type
- regular
- Setting
- Large Suburb
- County
- Connecticut Planning Region 4
- Chronic Absenteeism (SY 2022-23)
- 20.1%
- Phone
- (203) 736-5060
- 4-Year Graduation
- 87.0%
Resources & Links
District
Ansonia School District- District Enrollment
- 2,397
- Schools in District
- 4
- Per-Pupil Spending
- $21,951
- District Rank
- #1 of 4
Other Schools in This District
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateRelated reading
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.