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Jason Skinner HouseJason Skinner House · Photo: JERRYE & ROY KLOTZ, M.D. · CC BY-SA 4.0
B+
Schools in Harwinton · Regional School District 10

Harwinton’s public schools outscore 69% of Connecticut districts

In Harwinton, 52% of tested students are proficient in math, above the Connecticut average (40%). The grade covers the public school district serving Harwinton, 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.

#52of 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
63%
▲ 12 pts vs CT 50%
2021–22
Math proficiency
52%
▲ 12 pts vs CT 40%
2021–22
Graduate on time
95–100%
▲ 7–12 pts vs CT 88%
class of 2023
Spent per student
$22.6K
▼ 13% vs CT $25.9K
FY2024
Students per teacher
12.1
CT 12.2
Schools in town
1
1,657 students on the public path
In brief

Harwinton’s schools, in brief

Against towns with similar incomes

Among the 163 Connecticut towns with household incomes within a quarter of Harwinton’s, its schools beat 53%, lower than their 69% against all the state’s districts. The grade ↓

Above the state on both counts

Reading proficiency is 63% and math 52% 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 $22,621 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 5 the district’s path is Har-Bur Middle School, then Lewis S. Mills High School. 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 Harwinton’s grade

B Test scoresA− Graduation

B+: better than 69% of Connecticut school districts, #52 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 69%
Lower resultsHigher results
Connecticut towns with similar household incomes (163)Better than 53%
BA−A fairly firm grade. Ordinary sampling error in 1,152 test results and a graduating class of 164 could put Harwinton anywhere from B to A−. The tests are from spring 2022, when 98% of Harwinton’s students in the tested grades sat them (1,151 in math, 1,153 in reading).

How TownRatings grades schools →

Where will my kid go?

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

The path, start to finish
PK–4Harwinton Consolidated SchoolRegional School District 10A−
5–8Har-Bur Middle Schoolin BurlingtonB+
9–12Lewis S. Mills High Schoolin BurlingtonB+

Harwinton’s public schools are run by Regional School District 10, which also serves Burlington. 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 10Grades PK–12 · 4 schools · 2,123 students, down 3% since 2020–21 · 12.1 per teacher (CT 12.2)
$22,621CT $25,892 · FY2024
B+
Test scores · 2021–22

Well above the state in reading

Reading63%
State average 50.5% · 1153 students tested
Math52%
State average 39.8% · 1151 students tested

Harwinton vs. its neighbors

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

Schools next door
TownSchoolsMain districts
HarwintonB+Regional School District 10
Litchfield—Regional School District 20
BurlingtonB+Regional School District 10
TorringtonC−Torrington
PlymouthC+Plymouth
New HartfordBNew Hartford PK–6 · Regional School District 07 7–12
ThomastonB−Thomaston

Every school in Harwinton

3 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 Harwintonby address
Harwinton Consolidated School
Elementary · Grades PK–4 · Hawrinton
A−
374 students12:1Rate it →
Also serving Harwintonin other towns
Har-Bur Middle School
Middle · Grades 5–8 · Burlington
B+
669 students12:1Rate it →
Lewis S. Mills High School
High · Grades 9–12 · Burlington
B+
614 students11:1Rate it →

Questions about Harwinton’s schools

Are Harwinton’s schools good?

By Connecticut’s own tests, yes: the public schools Harwinton children attend outscore 69% of Connecticut’s school districts on tests and graduation, a B+ Schools grade, #52 of 152 Connecticut towns. Among towns with similar incomes they beat 53%. Tests are from 2021–22, graduation from the class of 2023.

What school district is Harwinton in?

Regional School District 10, which runs grades PK–12 and enrolls 2,123 students in 4 schools (2024–25).

Where do Harwinton kids go to high school?

Lewis S. Mills High School in Burlington, with 614 students; its own test results earn a B+.

What is Harwinton’s graduation rate?

95–100% of the class of 2023 in Regional School District 10 graduated in four years, against 88% across Connecticut.

How much does Harwinton spend per student?

$22,621 in Regional School District 10 (FY2024), against $25,892 across Connecticut. Spending doesn’t count toward the grade.

Parents talk

What Harwinton families are saying about school.

Town Square →
Start the conversation

Looking for colleges? Colleges near Harwinton → 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.