Ansonia High School is a public four-year high school located in Ansonia, Connecticut. It has approximately 513 students in grades 9 through 12. About 31.6 percent of the student body is Caucasian; 68.4 percent is minority.
Serving 617 students in grades 9-12, Ansonia High School ranks in the bottom 50% of all schools in Connecticut for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15-19% (which is lower than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 35-39% (which is lower than the Connecticut state average of 50%).
The student-teacher ratio of 13:1 is higher than the Connecticut state level of 12:1.
Minority enrollment is 74% of the student body (majority Hispanic), which is higher than the Connecticut state average of 54% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 617 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 74%
- Graduation Rate: 80-84% (Btm 50% in CT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 35-39% (Btm 50%)
- Science Proficiency: 25-29% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
Ansonia High School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Diversity
School Overview
Ansonia High School's student population of 617 students has grown by 22% over five school years.
The teacher population of 48 teachers has grown by 14% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
617 students
Total Classroom Teachers
48 teachers
Year Founded
1675
Colors
White, Blue
School Calendar
School Rankings
Ansonia High School ranks within the bottom 50% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Ansonia High School is 0.68, which is equal to the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#724 out of 939 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
41%
Reading/Language Arts Test Scores (% Proficient)
35-39%
50%
Science Test Scores (% Proficient)
25-29%
47%
Student-Teacher Ratio
13:1
12:1
Asian
3%
5%
Hispanic
47%
32%
Black
19%
12%
White
26%
46%
Two or more races
5%
5%
All Ethnic Groups
Graduation Rate
80-84%
89%
Eligible for Free Lunch
51%
38%
Eligible for Reduced Lunch
9%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Ansonia High School's ranking?
Ansonia High School is ranked #724 out of 939 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What schools are Ansonia High School often compared to?
Ansonia High Schoolis often viewed alongside schools like Derby High School, Seymour High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 41% CT state average), while 35-39% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Ansonia High School?
The graduation rate of Ansonia High School is 80-84%, which is lower than the Connecticut state average of 89%.
How many students attend Ansonia High School?
617 students attend Ansonia High School.
What is the racial composition of the student body?
47% of Ansonia High School students are Hispanic, 26% of students are White, 19% of students are Black, 5% of students are Two or more races, and 3% of students are Asian.
What is the student-teacher ratio of Ansonia High School?
Ansonia High School has a student ration of 13:1, which is higher than the Connecticut state average of 12:1.
What grades does Ansonia High School offer ?
Ansonia High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Ansonia High School part of?
Ansonia High School is part of Ansonia School District.
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