Top Rankings
Regional School District 17 ranks among the top 20% of public school district in Connecticut for:
Category
Attribute
Graduation Rate
Highest graduation rate (Top 20%)
For the 2025 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 47% (versus the Connecticut public high school average of 33%), 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 90%.
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
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 2021-2022 school year.
The school district's graduation rate of 95% has stayed relatively flat over five school years.
Overall District Rank
#48 out of 200 school districts
(Top 30%)
(Top 30%)

Math Test Scores (% Proficient)
57%
40%

Reading/Language Arts Test Scores (% Proficient)
71%
50%

Science Test Scores (% Proficient)
60%
47%

Graduation Rate
≥95%
89%

Students by Ethnicity:
Diversity Score
0.20
0.68
# American Indian Students
2 Students
426 Students
% American Indian Students
n/a
n/a
# Asian Students
32 Students
8,064 Students
% Asian Students
2%
5%
# Hispanic Students
82 Students
50,824 Students
% Hispanic Students
5%
31%
# Black Students
20 Students
24,621 Students
% Black Students
1%
15%
# White Students
1,572 Students
75,269 Students
% White Students
89%
45%
# Hawaiian Students
n/a
165 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
49 Students
6,542 Students
% of Two or more races Students
3%
4%
Students by Grade:
# Students in PK Grade:
43
230
# Students in K Grade:
115
590
# Students in 1st Grade:
132
558
# Students in 2nd Grade:
142
566
# Students in 3rd Grade:
134
579
# Students in 4th Grade:
144
609
# Students in 5th Grade:
136
601
# Students in 6th Grade:
128
1,643
# Students in 7th Grade:
156
2,088
# Students in 8th Grade:
111
2,127
# Students in 9th Grade:
123
41,217
# Students in 10th Grade:
131
39,783
# Students in 11th Grade:
129
38,905
# Students in 12th Grade:
135
36,857
# Ungraded Students:
-
-
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 stayed relatively flat 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 stayed relatively flat 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 (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Haddam-killingworth High School
(Math: 45-49% | 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
Grades: 9-12
| 518 students
Recent Articles

Year-Round Or Traditional Schedule?
Which is more appropriate for your child? A year-round attendance schedule or traditional schedule? We look at the pros and cons.

Why You Should Encourage Your Child to Join a Sports Team
Participating in team sports has a great many benefits for children, there is no doubt. In this article you will learn what those benefits are.

White Students are Now the Minority in U.S. Public Schools
Increasing birth rates among immigrant families from Asia and Central and South America, combined with lower birth rates among white families, means that for the first time in history, public school students in the United States are majority-minority. This shift in demographics poses difficulties for schools as they work to accommodate children of varying language abilities and socio-economic backgrounds.