For the 2026 school year, there is 1 public high school serving 744 students in Killingly School District. This district's average high testing ranking is 5/10, which is in the bottom 50% of public high schools in Connecticut.
Public High School in Killingly School District have an average math proficiency score of 27% (versus the Connecticut public high school average of 33%), and reading proficiency score of 57% (versus the 53% statewide average).
Public High School in Killingly School District have a Graduation Rate of 82%, which is less than the Connecticut average of 89%.
The school with highest graduation rate is Killingly High School, with 80-84% graduation rate. Read more about public school graduation rate statistics in Connecticut or national school graduation rate statistics.
Minority enrollment is 23% of the student body (majority Hispanic), which is less than the Connecticut public high school average of 56% (majority Hispanic).
Overview
This School District
This State (CT)
# Schools
4 Schools
219 Schools
# Students
2,238 Students
165,817 Students
# Teachers
191 Teachers
13,492 Teachers
Student-Teacher Ratio
12:1
12:1
Student By Grade
District Rank
Killingly School District, which is ranked within the bottom 50% of all 195 school districts in Connecticut (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 82% has decreased from 85-89% over five school years.
Overall District Rank
#147 out of 198 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
27%
41%
Reading/Language Arts Test Scores (% Proficient)
46%
50%
Science Test Scores (% Proficient)
42%
47%
Graduation Rate
82%
89%
Students by Ethnicity:
Diversity Score
0.42
0.69
% American Indian
n/a
n/a
% Asian
2%
5%
% Hispanic
14%
32%
% Black
2%
15%
% White
75%
44%
% Hawaiian
n/a
n/a
% Two or more races
7%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $25,191 in this school district is less than the state median of $26,315. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $24,410 is less than the state median of $25,377. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$56 MM
$12,920 MM
Spending
$55 MM
$12,459 MM
Revenue / Student
$25,191
$26,315
Spending / Student
$24,410
$25,377
Best Killingly School District Public High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Killingly High School
(Math: 25-29% | Reading: 55-59%)
Rank:
Rank:
5/
Bottom 50%10
226 Putman Pike
Dayville, CT 06241
(860) 779-6620
Dayville, CT 06241
(860) 779-6620
Gr: 9-12 | 744 students Student-teacher ratio: 11:1 Minority enrollment: 23%
Recent Articles
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.
