Haddam-Killingworth High School
Higganum, CT · High School · Grades 9-12
Performance Overview
About This School
Haddam-Killingworth High School is a high school located in Higganum, Connecticut. The school serves 546 students in grades 9-12.
With a DataScore of 72/100 (B), Haddam-Killingworth High School performs above average compared to schools in Connecticut. Notably, the school is on an upward trend, showing meaningful improvement over the past three years.
12% of students qualify for free or reduced-price lunch, which is factored into the resource access component of the DataScore.
Other Schools in Regional School District 17
Frequently Asked Questions
Haddam-Killingworth High School has a DataScore of 72/100 (Grade B), based on academic proficiency (35%), growth trend (30%), graduation rate (20%), and resource access (15%). This measures actual student outcomes, not school inputs.
Haddam-Killingworth High School has 546 students enrolled in grades 9-12. The student-to-teacher ratio is 10.7:1.
Yes, Haddam-Killingworth High School is on an upward trend with a 3-year growth score of +24, showing meaningful academic improvement.
The DataScore (0-100, A-F) grades every US public school based on academic outcomes: proficiency rates (35%), 3-year growth trend (30%), graduation rate for high schools (20%), and resource access (15%). Unlike other ratings, it focuses on what students actually achieve.
Haddam-Killingworth High School is part of the Regional School District 17 in Higganum, Connecticut. You can view all schools in this district and compare their performance on the district page.
DataScore is calculated from NCES proficiency rates, 3-year growth trends, graduation rates (high schools), and resource access indicators.