Ansonia High School

Ansonia High School runs as a low-enrollment high school in Ansonia, Connecticut. Its grade span covers grades 9 through 12, with 617 students on the rolls. High schools in Connecticut average about 788 students, which makes this school 22% below average.

Ansonia School District runs 4 schools with a combined 2,343 students. Ansonia High School is one of them.

Hispanic students account for 47% of enrollment at Ansonia High School, more than any other group. Smaller groups are 25% White, 19% Black, 5% multiracial, and 3% Asian. County-wide, 20% of Naugatuck Valley Planning Region residents are Hispanic. The diversity index for Ansonia High School is 67%. For US public schools as a whole it is 70%.

Ansonia High School has a student-to-teacher ratio of 12.8:1, with 48 full-time-equivalent teachers. The 12.3:1 average for high schools in Connecticut is close to this figure. A common income measure, free or reduced-price lunch eligibility, is 59% at Ansonia High School.

Five-year Census Bureau estimates for Naugatuck Valley Planning Region show that the median household earns about $86,191 a year, roughly 34% of adults have a four-year degree or more, and about 9% of residents live below the federal poverty line. Naugatuck Valley Planning Region counts 121 public schools with about 59,861 students.

Prendergast School is the nearest public school to Ansonia High School, about 0.5 miles away. Within five miles of Ansonia High School, there are at least 8 other public schools.

Under the NCES locale system, Ansonia High School is Suburb: Large.

Enrollment in 2024-25 stood at 617, compared with 567 in 2017-18. The share of Hispanic students grew 15 points, from 32% to 47%. Students per teacher increased from 11.7 in 2017-18 to 12.8 in 2024-25.

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