For the 2026 school year, there is 1 public high school serving 518 students in Regional School District 17. This district's average high testing ranking is 8/10, which is in the top 30% of public high schools in Connecticut.
Public High School in Regional School District 17 have an average math proficiency score of 57% (versus the Connecticut public high school average of 32%), and reading proficiency score of 72% (versus the 53% statewide average).
Public High School in Regional School District 17 have a Graduation Rate of 95%, which is more than the Connecticut average of 89%.
The school with highest graduation rate is Haddam-killingworth High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Connecticut or national school graduation rate statistics.
Minority enrollment is 12% of the student body (majority Hispanic and Asian), which is less than the Connecticut public high school average of 55% (majority Hispanic).
Overview
This School District
This State (CT)
# Schools
5 Schools
219 Schools
# Students
1,759 Students
166,353 Students
# Teachers
162 Teachers
13,569 Teachers
Student-Teacher Ratio
11:1
11:1
Student By Grade
District Rank
Regional School District 17, which is ranked within the top 30% of all 197 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 95% has stayed relatively flat over five school years.
Overall District Rank
#45 out of 198 school districts
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
61%
41%
Reading/Language Arts Test Scores (% Proficient)
71%
50%
Science Test Scores (% Proficient)
60%
47%
Graduation Rate
(21-22)≥95%
89%
Students by Ethnicity:
Diversity Score
0.20
0.68
% American Indian
n/a
n/a
% Asian
2%
5%
% Hispanic
5%
31%
% Black
1%
15%
% White
89%
45%
% Hawaiian
n/a
n/a
% Two or more races
3%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $28,398 is higher than the state median of $26,157. The school district revenue/student has grown by 13% over four school years.
The school district's spending/student of $27,472 is higher than the state median of $25,225. The school district spending/student has grown by 13% over four school years.
Total Revenue
$50 MM
$12,920 MM
Spending
$48 MM
$12,459 MM
Revenue / Student
$28,398
$26,157
Spending / Student
$27,472
$25,225
Best Regional School District 17 Public High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Haddam-killingworth High School
(Math: 55-59% | Reading: 70-74%)
Rank:
Rank:
8/
Top 30%10
95 Little City Road
Higganum, CT 06441
(860) 345-8541
Higganum, CT 06441
(860) 345-8541
Gr: 9-12 | 518 students Student-teacher ratio: 10:1 Minority enrollment: 12%
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