Serving 652 students in grades 9-12, Nonnewaug High School ranks in the top 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 30-34% (which is lower than the Connecticut state average of 40%). The percentage of students achieving proficiency in reading/language arts is 60-64% (which is higher than the Connecticut state average of 50%).
The student:teacher ratio of 11:1 is lower than the Connecticut state level of 12:1.
Minority enrollment is 15% of the student body (majority Hispanic), which is lower than the Connecticut state average of 53% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 652 students
- Student:Teacher Ratio: 11:1
- Minority Enrollment: 15%
- Graduation Rate: ≥95% (Top 20% in CT)
- Overall Testing Rank: Top 50%
- Math Proficiency: 30-34% (Btm 50%)
- Reading Proficiency: 60-64% (Top 50%)
- Science Proficiency: 45-49% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
Top Rankings
Nonnewaug High School ranks among the top 20% of public schools in Connecticut for:
Category
Attribute
Graduation Rate
School Overview
Nonnewaug High School's student population of 652 students has declined by 5% over five school years.
The teacher population of 62 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
652 students
Gender %
Total Classroom Teachers
62 teachers
Students by Grade
School Calendar
School Rankings
Nonnewaug High School ranks within the top 50% of all 942 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Nonnewaug High School is 0.27, which is less than the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#456 out of 942 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
30-34%
40%
Reading/Language Arts Test Scores (% Proficient)
60-64%
50%
Science Test Scores (% Proficient)
45-49%
47%
Student : Teacher Ratio
11:1
12:1
American Indian
n/a
n/a
Asian
1%
5%
Hispanic
10%
31%
Black
1%
12%
White
85%
47%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
≥95%
89%
Eligible for Free Lunch
17%
37%
Eligible for Reduced Lunch
5%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Nonnewaug High School's ranking?
Nonnewaug High School is ranked #456 out of 942 schools, which ranks it among the top 50% of public schools in Connecticut.
What schools are Nonnewaug High School often compared to?
Nonnewaug High Schoolis often viewed alongside schools like Watertown High School, Shepaug Valley School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 40% CT state average), while 60-64% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Nonnewaug High School?
The graduation rate of Nonnewaug High School is 95%, which is higher than the Connecticut state average of 89%.
How many students attend Nonnewaug High School?
652 students attend Nonnewaug High School.
What is the racial composition of the student body?
85% of Nonnewaug High School students are White, 10% of students are Hispanic, 3% of students are Two or more races, 1% of students are Asian, and 1% of students are Black.
What is the student:teacher ratio of Nonnewaug High School?
Nonnewaug High School has a student ration of 11:1, which is lower than the Connecticut state average of 12:1.
What grades does Nonnewaug High School offer ?
Nonnewaug High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Nonnewaug High School part of?
Nonnewaug High School is part of Regional School District 14.
School Reviews
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