Killingly High School serves 753 students in grades 9-12.
Killingly High School placed in the bottom 50% of all schools in Connecticut for overall test scores (math proficiency is bottom 50%, and reading proficiency is top 50%) for the 2020-21 school year.
The percentage of students achieving proficiency in math is 15-19% (which is lower than the Connecticut state average of 39%) for the 2020-21 school year. The percentage of students achieving proficiency in reading/language arts is 55-59% (which is higher than the Connecticut state average of 51%) for the 2020-21 school year.
The student:teacher ratio of 14:1 is higher than the Connecticut state level of 12:1.
Minority enrollment is 19% of the student body (majority Hispanic), which is lower than the Connecticut state average of 51% (majority Hispanic).
Quick Stats (2023-24)
- Grades: 9-12
- Enrollment: 753 students
- Student:Teacher Ratio: 14:1
- Minority Enrollment: 19%
- Graduation Rate: 85-89% (Btm 50% in CT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 55-59% (Top 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
School Overview
Killingly High School's student population of 753 students has stayed relatively flat over five school years.
The teacher population of 54 teachers has declined by 21% over five school years.
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
753 students
Gender %
Total Classroom Teachers
54 teachers
Students by Grade
School Calendar
School Rankings
Killingly High School is ranked within the bottom 50% of all 940 schools in Connecticut (based off of combined math and reading proficiency testing data) for the 2020-21 school year.
The diversity score of Killingly High School is 0.34, which is less than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#555 out of 940 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
39%
Reading/Language Arts Test Scores (% Proficient)
55-59%
51%
Student : Teacher Ratio
14:1
12:1
American Indian
n/a
n/a
Asian
4%
5%
Hispanic
8%
29%
Black
2%
13%
White
81%
49%
Hawaiian
n/a
n/a
Two or more races
5%
4%
All Ethnic Groups
Graduation Rate
85-89%
90%
Eligible for Free Lunch
33%
34%
Eligible for Reduced Lunch
6%
6%
School Statewide Testing
School District Name
Source: 2021-2022 (latest school year available) 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 #555 out of 940 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 39% CT state average), while 55-59% of students have achieved reading proficiency (compared to the 51% CT state average).
What is the graduation rate of Killingly High School?
The graduation rate of Killingly High School is 85-89%, which is lower than the Connecticut state average of 90%.
How many students attend Killingly High School?
753 students attend Killingly High School.
What is the racial composition of the student body?
81% of Killingly High School students are White, 8% of students are Hispanic, 5% of students are Two or more races, 4% 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 14:1, which is higher than 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.
School Reviews
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