Killingly High School (Killingly School District SCH DIST.), Connecticut - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

Killingly High School is a High in Dayville, CT. It currently serves 762 students (grades 09-12). The school is part of the Killingly School District School District.

Below, we provide details about the school including the population per grade, the racial demography of the student population, the racial demography of the student population per gender/sex, and the racial demography per grade level.

You can see similar information for other schools in Killingly School District School District and all schools in Connecticut.

Other Details

School Type: Regular School
School Level: High
Number of Students:762
Number of Teachers: 65
Student/Teacher Ratio: 11.71

Location Info

Location: 226 Putman Pike, Dayville, CT 06241
Mailing Address: 226 Putman Pike, Dayville, CT 06241
Phone: (860)779-6620
Data Source: NCES.
Student Population Per Grade
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Grade Population
Grade 10 226
Grade 11 178
Grade 12 159
Grade 9 199
Gender/Sex of Killingly High School Student Population
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Gender Population Percent of Population (%)
Male 351 46.06
Female 411 53.94
Race/Ethnicity Demography of Killingly High School Student Population
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.13
Asian 21 2.76
Black or African American 21 2.76
Hispanic/Latino 93 12.21
Two or more races 39 5.12
White 587 77.03
Male - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
Asian 9 2.56
Black or African American 10 2.85
Hispanic/Latino 46 13.11
Two or more races 22 6.27
White 264 75.21
Female - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.24
Asian 12 2.92
Black or African American 11 2.68
Hispanic/Latino 47 11.44
Two or more races 17 4.14
White 323 78.59

Race Demography Per Grade

The tables below shows the Race/Ethnicity of the student population per grade.
Grade 10 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 2 0.89
Black or African American 4 1.77
Hispanic/Latino 27 11.95
Two or more races 17 7.52
White 176 77.88
Grade 11 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 12 6.74
Black or African American 4 2.25
Hispanic/Latino 22 12.36
Two or more races 9 5.06
White 131 73.60
Grade 12 - Race/Ethnicity of Both Genders
Items per page:
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Race/Ethnicity Population Percent of Population (%)
Asian 6 3.77
Black or African American 6 3.77
Hispanic/Latino 15 9.43
Two or more races 4 2.52
White 128 80.50
Grade 9 - Race/Ethnicity of Both Genders
Items per page:
0 of 0
Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.50
Asian 1 0.50
Black or African American 7 3.52
Hispanic/Latino 29 14.57
Two or more races 9 4.52
White 152 76.38