Haddam-Killingworth High School (Regional School District 17 SCH DIST.), Connecticut - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

Haddam-Killingworth High School is a High in Higganum, CT. It currently serves 518 students (grades 09-12). The school is part of the Regional School District 17 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 Regional School District 17 School District and all schools in Connecticut.

Other Details

School Type: Regular School
School Level: High
Number of Students:518
Number of Teachers: 51
Student/Teacher Ratio: 10.08

Location Info

Location: 95 Little City Road, Higganum, CT 06441
Mailing Address: 95 Little City Road, Higganum, CT 06441
Phone: (860)345-8541
Data Source: NCES.
Student Population Per Grade
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Grade Population
Grade 10 131
Grade 11 129
Grade 12 135
Grade 9 123
Gender/Sex of Haddam-Killingworth High School Student Population
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Gender Population Percent of Population (%)
Male 275 53.09
Female 241 46.53
Race/Ethnicity Demography of Haddam-Killingworth High School Student Population
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.19
Asian 16 3.09
Black or African American 7 1.35
Hispanic/Latino 22 4.25
Two or more races 16 3.09
White 454 87.65
Male - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
American Indian or Alaska Native 1 0.36
Asian 6 2.18
Black or African American 4 1.46
Hispanic/Latino 10 3.64
Two or more races 9 3.27
White 245 89.09
Female - Race/Ethnicity Demography of Student Population
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Race/Ethnicity Population Percent of Population (%)
Asian 10 4.15
Black or African American 3 1.25
Hispanic/Latino 12 4.98
Two or more races 7 2.91
White 209 86.72

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 4 3.05
Black or African American 2 1.53
Hispanic/Latino 4 3.05
Two or more races 4 3.05
White 117 89.31
Grade 11 - Race/Ethnicity of Both Genders
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Race/Ethnicity Population Percent of Population (%)
Asian 3 2.33
Black or African American 3 2.33
Hispanic/Latino 3 2.33
Two or more races 6 4.65
White 113 87.60
Grade 12 - Race/Ethnicity of Both Genders
Items per page:
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Race/Ethnicity Population Percent of Population (%)
Asian 6 4.44
Black or African American 2 1.48
Hispanic/Latino 6 4.44
Two or more races 2 1.48
White 118 87.41
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 0.81
Asian 3 2.44
Hispanic/Latino 9 7.32
Two or more races 4 3.25
White 106 86.18