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SCHOOL COMMUNITY·ANSONIA SCHOOL DISTRICT·NCES 090006010002

Ansonia High School

20 Pulaski Hwy., Ansonia, CT 06401 · (203) 736-5060 · Naugatuck Valley Planning Region
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL617 STUDENTS
·
allk12 Grade
Not graded

This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work

Enrollment
617
High
DISTRICT 586 · STATE 788
Student : Teacher
12.8:1
48 FTE teachers
DISTRICT 14.6:1 · STATE 12.3:1
Free / Reduced Lunch
59%
366 students
DISTRICT 64% · STATE 44%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 917228%
Grade 1015024%
Grade 1117028%
Grade 1212520%
Student demographics
67%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 66% · STATE 67% · US 70%
White
15725%
DISTRICT 22% · STATE 46% · US 43%
Hispanic
29047%
DISTRICT 49% · STATE 32% · US 30%
Black
11919%
DISTRICT 22% · STATE 12% · US 15%
Asian
173%
DISTRICT 2% · STATE 5% · US 6%
Two+
335%
DISTRICT 5% · STATE 5% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
30650%
Female
31150%

School pathway

Feeds from
Ansonia Middle School06–08
Based on grade levels within Ansonia School District. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Schools most like Ansonia High School

SchoolStudentsLow-incomeProficient
Ansonia High School this school61759.3%N/A
Academy of Science and Innovation
New Britain
76763.5%N/A
W. F. Kaynor Technical High School
Waterbury
83151.7%N/A
Waterbury Arts Magnet School
Waterbury
82068.0%N/A
Derby High School
Derby
36053.6%N/A
Connecticut River Academy at Goodwin University
East Hartford
74257.0%N/A
Matched among Connecticut high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Ansonia High School ranks

Among high schools
MeasureThis schoolIn ConnecticutIn Naugatuck Valley Planning Region
Enrollment
ranked largest first
617#114 of 201#16 of 24
Students per teacher
ranked fewest first
12.8:1#137 of 188#17 of 24
Diversity index
ranked most diverse first
67.4%#19 of 188#3 of 24
Free and reduced lunch
ranked highest share first
59.3%#52 of 196#6 of 24
Enrollment change since 2017-18
ranked fastest growth first
+8.8%#35 of 63#5 of 9
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
617
+114 (+23%) vs 2020
Student : Teacher
12.8:1
was 12.0:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-256174812.8:159% (366)
2023-2459348.212.3:159% (347)
2022-2355548.511.4:160% (331)
2020-215034212.0:160% (304)
2017-1856748.411.7:168% (386)
2015-165974613.0:159% (350)
Source: NCES Common Core of Data. Rows are the federal collections on file for Ansonia High School.

Since 2017-18: students up 9% (567 to 617); teachers down 1% (48.4 to 48).

About 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 503 in 2020-21.

This page collects posts and questions about Ansonia High School, such as fundraisers, report cards, and school supplies. Members of the school community can share what they know.

Naugatuck Valley Planning Region at a glance

View full county profile
Population
454,969
Census ACS
Median income
$86,191
Household, ACS
Bachelor's+
34%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
121
59,861 students

Quick facts

School name
Ansonia High School
District
Ansonia School District
Address
20 Pulaski Hwy., Ansonia, CT 06401
Phone
(203) 736-5060
County
Naugatuck Valley Planning Region
Level
High
Grade range
09–12
Total enrollment
617
Teachers (FTE)
48
Student–teacher ratio
12.8:1
Free and reduced lunch
366 (59%)
Locale
21-Suburb: Large
NCES ID
090006010002
Charter school
No
Virtual school
No

Related schools

Other schools in Ansonia School District
Other schools in Ansonia
Other Ansonia High schools

One other US public school is named Ansonia High. Ansonia High School is the largest of the 2.

Nearby schools

Frequently asked questions

About Ansonia High School
What is the total enrollment at Ansonia High School?
Ansonia High School enrolls approximately 617 students in grades 09-12.
What age range does Ansonia High School serve?
Ansonia High School serves students from grade 09 through grade 12.
How many students per teacher at Ansonia High School?
Approximately 12.8:1 students per teacher at Ansonia High School.
What is the student diversity at Ansonia High School?
Student demographics at Ansonia High School are roughly 25% White, 47% Hispanic, 19% Black, 3% Asian, 5% Two or more.
Who oversees Ansonia High School?
Ansonia High School is overseen by Ansonia School District in Naugatuck Valley Planning Region.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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