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Killingworth (CT) Public LibraryPhoto: Kenneth C. Zirkel · CC BY-SA 4.0
A−
Schools in Killingworth · Regional School District 17

Killingworth’s public schools outscore 78% of Connecticut districts

On the state math tests, 57% of Killingworth’s students scored proficient, above the Connecticut average (40%). The grade covers the public school district serving Killingworth, from kindergarten through graduation, on state tests and graduation. Each state writes its own tests, so this is the one TownRatings grade compared within Connecticut, not nationally.

#31of 152 Connecticut townsK–12Where will my kid go?

From Connecticut state tests taken in spring 2022, when 98% of students in the tested grades sat them, and the class of 2023’s four-year graduation rate, as reported to the U.S. Department of Education.

Reading proficiency
71%
▲ 20 pts vs CT 50%
2021–22
Math proficiency
57%
▲ 17 pts vs CT 40%
2021–22
Graduate on time
95–100%
▲ 7–12 pts vs CT 88%
class of 2023
Spent per student
$27.7K
▲ 7% vs CT $25.9K
FY2024
Students per teacher
10.9
CT 12.2 · smaller classes
Schools in town
3
1,426 students on the public path
In brief

Killingworth’s schools, in brief

Against towns with similar incomes

Among the 144 Connecticut towns with household incomes within a quarter of Killingworth’s, its schools beat 65%, lower than their 78% against all the state’s districts. The grade ↓

Above the state on both counts

Reading proficiency is 71% and math 57% in spring 2022, against 50% and 40% statewide; 95–100% of the class of 2023 graduated in four years, against 88%. Test scores ↓

Spending and class size

The district spends $27,746 per student, against $25,892 across Connecticut (FY2024). Spending doesn’t count toward the grade. Districts ↓

One elementary school, then one middle and one high school

From grade 6 the district’s path is Haddam-Killingworth Middle School, then Haddam-Killingworth High School. Enrollment is down 7% since 2020–21. See the path ↓

Written from the figures on this page. Tests are from 2021–22, graduation from the class of 2023; each school’s own letter uses 2020–21 results.

The School Grade

What’s behind Killingworth’s grade

A− Test scoresA− Graduation

A−: better than 78% of Connecticut school districts, #31 of 152 Connecticut towns. Test scores and graduation are both above the Connecticut average; graduation is the stronger of the two.

Connecticut school districts we grade (199)Better than 78%
Lower resultsHigher results
Connecticut towns with similar household incomes (144)Better than 65%
B+A−A fairly firm grade. Ordinary sampling error in 924 test results and a graduating class of 155 could put Killingworth anywhere from B+ to A−. The tests are from spring 2022, when 98% of Killingworth’s students in the tested grades sat them (923 in math, 924 in reading).

How TownRatings grades schools →

Where will my kid go?

Pick a grade. These are the public schools that serve Killingworth, with each school’s own grade.

The path, start to finish
PK–3Killingworth Elementary SchoolRegional School District 17A
6–8Haddam-Killingworth Middle SchoolRegional School District 17A−
9–12Haddam-Killingworth High Schoolin HigganumA−

Killingworth’s public schools are run by Regional School District 17, which also serves Haddam. To confirm the school for a specific address, ask the district.

The district

Spending and class size are shown but don’t count toward the grade. Each district’s own page has every school.

Regional School District 17Grades PK–12 · 5 schools · 1,704 students, down 7% since 2020–21 · 10.9 per teacher (CT 12.2)
$27,746CT $25,892 · FY2024
A−
Test scores · 2021–22

Well above the state in reading

Reading71%
State average 50.5% · 924 students tested
Math57%
State average 39.8% · 923 students tested

Killingworth vs. its neighbors

Schools grades for the Connecticut towns that share Killingworth’s borders.

Schools next door
TownSchoolsMain districts
KillingworthA−Regional School District 17
MadisonAMadison
ClintonBClinton
DurhamB−Regional School District 13
HaddamA−Regional School District 17
WestbrookB+Westbrook

Every school in Killingworth

4 schools. Each public school’s letter compares its own 2020–21 reading and math results with Connecticut’s other public schools (the newest school-level results we have).

District schools in Killingworthby address
Killingworth Elementary School
Elementary · Grades PK–3 · Higganum
A
257 students11:1Rate it →
Haddam-Killingworth Intermediate School
Elementary · Grades 4–5
A−
280 students13:1Rate it →
Haddam-Killingworth Middle School
Middle · Grades 6–8
A−
423 students11:1Rate it →
Also serving Killingworthin other towns
Haddam-Killingworth High School
High · Grades 9–12 · Higganum
A−
466 students10:1Rate it →

Questions about Killingworth’s schools

Are Killingworth’s schools good?

By Connecticut’s own tests, yes: the public schools Killingworth children attend outscore 78% of Connecticut’s school districts on tests and graduation, an A− Schools grade, #31 of 152 Connecticut towns. Among towns with similar incomes they beat 65%. Tests are from 2021–22, graduation from the class of 2023.

What school district is Killingworth in?

Regional School District 17, which runs grades PK–12 and enrolls 1,704 students in 5 schools (2024–25).

Where do Killingworth kids go to high school?

Haddam-Killingworth High School in Higganum, with 466 students; its own test results earn an A−.

What is Killingworth’s graduation rate?

95–100% of the class of 2023 in Regional School District 17 graduated in four years, against 88% across Connecticut.

How much does Killingworth spend per student?

$27,746 in Regional School District 17 (FY2024), against $25,892 across Connecticut. Spending doesn’t count toward the grade.

Parents talk

What Killingworth families are saying about school.

Town Square →
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Looking for colleges? Colleges near Killingworth → They have their own page.

School data: state test results (2021–22, with participation) and four-year graduation rates (class of 2023) reported to the U.S. Department of Education (EDFacts via ED Data Express); each school’s own letter uses its 2020–21 results (EDFacts via the Urban Institute); schools and enrollment from NCES (2024–25; private schools 2023–24); spending from the Census Bureau’s school finance survey (FY2024). The School Grade is our own summary, graded within Connecticut. Stars are from neighbors.