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
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