Serving 788 students in grades 9-12, Killingly High School ranks in the bottom 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 15-19% (which is lower than the Connecticut state average of 40%). The percentage of students achieving proficiency in reading/language arts is 55-59% (which is higher than the Connecticut state average of 50%).
The student:teacher ratio of 12:1 is equal to the Connecticut state level of 12:1.
Minority enrollment is 20% of the student body (majority Hispanic), which is lower than the Connecticut state average of 52% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 788 students
- Student:Teacher Ratio: 12:1
- Minority Enrollment: 20%
- Graduation Rate: 80-84% (Btm 50% in CT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 55-59% (Top 50%)
- Science Proficiency: 35-39% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
School Overview
Killingly High School's student population of 788 students has stayed relatively flat over five school years.
The teacher population of 66 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
788 students
Gender %
Total Classroom Teachers
66 teachers
Students by Grade
School Rankings
Killingly High School ranks within the bottom 50% of all 942 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Killingly High School is 0.35, which is less than the diversity score at state average of 0.67. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#572 out of 942 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
40%
Reading/Language Arts Test Scores (% Proficient)
55-59%
50%
Science Test Scores (% Proficient)
35-39%
47%
Student : Teacher Ratio
12:1
12:1
American Indian
n/a
n/a
Asian
3%
5%
Hispanic
10%
30%
Black
2%
12%
White
80%
48%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Graduation Rate
80-84%
89%
Eligible for Free Lunch
35%
36%
Eligible for Reduced Lunch
9%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Killingly High School's ranking?
Killingly High School is ranked #572 out of 942 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What schools are Killingly High School often compared to?
Killingly High Schoolis often viewed alongside schools like Plainfield High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 40% CT state average), while 55-59% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Killingly High School?
The graduation rate of Killingly High School is 80-84%, which is lower than the Connecticut state average of 89%.
How many students attend Killingly High School?
788 students attend Killingly High School.
What is the racial composition of the student body?
80% of Killingly High School students are White, 10% of students are Hispanic, 5% of students are Two or more races, 3% of students are Asian, and 2% of students are Black.
What is the student:teacher ratio of Killingly High School?
Killingly High School has a student ration of 12:1, which is equal to the Connecticut state average of 12:1.
What grades does Killingly High School offer ?
Killingly High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Killingly High School part of?
Killingly High School is part of Killingly School District.
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