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Holy HillHoly Hill · Photo: Holy_Hill.jpg: Shoelace414 derivative work: Rabanus Flavus · CC BY-SA 3.0
B+
Schools in Erin · Hartford Union High School District, Erin School District

Erin’s public schools outscore 68% of Wisconsin districts

46% of students in Erin’s public schools are proficient in math, above the Wisconsin average (39%). The grade covers the three public school districts serving Erin, from kindergarten through graduation, on state tests and graduation. Each state writes its own tests, so this is the one TownRatings grade compared within Wisconsin, not nationally.

#148of 362 Wisconsin townsK–12Where will my kid go?

From Wisconsin state tests taken in spring 2022, when 97% 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
40%
▲ 2 pts vs WI 38%
2021–22
Math proficiency
46%
▲ 8 pts vs WI 39%
2021–22
Graduate on time
98%
▲ 8 pts vs WI 90%
class of 2023
Spent per student
$14.8K
▼ 10% vs WI $16.5K
FY2024 · Hartford Union High
Students per teacher
14.4
WI 13.6 · larger classes
Schools in town
1
1,723 students on the public path
In brief

Erin’s schools, in brief

Against towns with similar incomes

Among the 812 Wisconsin towns with household incomes within a quarter of Erin’s, its schools beat 63%, lower than their 68% against all the state’s districts. The grade ↓

Above the state on both counts

Reading proficiency is 40% and math 46% across its districts in spring 2022, against 38% and 39% statewide; 98% of the class of 2023 graduated in four years, against 90%. Test scores ↓

Spending and class size

Hartford Union High spends $14,809 per student and Erin $11,667, against $16,459 across Wisconsin (FY2024). Neither counts toward the grade. Districts ↓

One elementary school, then one high school

From grade 9 the district’s path is Hartford High. 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 Erin’s grade

B+ Test scoresA Graduation

B+: better than 68% of Wisconsin school districts, #148 of 362 Wisconsin towns. Test scores and graduation are both above the Wisconsin average; graduation is the stronger of the two.

Wisconsin school districts we grade (441)Better than 68%
Lower resultsHigher results
Wisconsin towns with similar household incomes (812)Better than 63%
Towns in Washington County (12)Better than 0%
BA−A fairly firm grade. Ordinary sampling error in 1,533 test results and a graduating class of 310 could put Erin anywhere from B to A−. The tests are from spring 2022, when 97% of Erin’s students in the tested grades sat them (1,534 in math, 1,532 in reading).

How TownRatings grades schools →

Where will my kid go?

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

The path, start to finish
PK–8Erin ElementaryErin School DistrictA
9–12Hartford Highin HartfordC+

Parts of Erin (11% of its land) are served by Holy Hill Area instead. To confirm the school for a specific address, ask the district.

Three districts serve Erin

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

Hartford Union High School DistrictGrades 9–12 · 1 schools · 1,324 students, down 1% since 2020–21 · 16.6 per teacher (WI 13.6)
$14,809WI $16,459 · FY2024
B
Erin School DistrictGrades PK–8 · 1 schools · 399 students, down 1% since 2020–21 · 15.2 per teacher (WI 13.6)
$11,667WI $16,459 · FY2024
A
Hartford Joint No. 1 School DistrictGrades PK–8 · 3 schools · 1,301 students, down 18% since 2020–21 · 12.4 per teacher (WI 13.6)
$13,698WI $16,459 · FY2024
B
Test scores · 2021–22

Above the state in reading

Reading · 9–12, Hartford Union High School District44%
State average 38.1% · 289 students tested
Math · 9–12, Hartford Union High School District34%
State average 38.7% · 289 students tested
Reading · PK–8, Erin School District54%
State average 38.1% · 258 students tested
Math · PK–8, Erin School District57%
State average 38.7% · 258 students tested
Reading · PK–8, Hartford Joint No. 1 School District35%
State average 38.1% · 985 students tested
Math · PK–8, Hartford Joint No. 1 School District47%
State average 38.7% · 987 students tested

Erin vs. its neighbors

Schools grades for the Wisconsin towns that share Erin’s borders.

Schools next door
TownSchoolsMain districts
ErinB+Erin PK–8 · Hartford Joint No. 1 PK–8 · Hartford Union High 9–12
RichfieldA−Holy Hill Area PK–8 · Germantown PK–12 · Hartford Union High 9–12
MertonA+North Lake PK–8 · Stone Bank PK–8 · Arrowhead Union High 9–12
HartfordAHartford Joint No. 1 PK–8 · Slinger PK–12 · Hartford Union High 9–12
AshippunAOconomowoc Area PK–12 · Herman-Neosho-Rubicon PK–8 · Hartford Union High 9–12

3 of the 4 neighbors share Hartford Union High with Erin for grades 9–12, so their letters differ mainly through the lower grades.

Every school in Erin

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

District schools in Erinby address
Erin Elementary
Elementary · Grades PK–8 · Hartford
A
399 students15:1Rate it →
Also serving Erinin other towns
Hartford High
High · Grades 9–12 · Hartford
C+
1,324 students17:1Rate it →

Questions about Erin’s schools

Are Erin’s schools good?

By Wisconsin’s own tests, yes: the public schools Erin children attend outscore 68% of Wisconsin’s school districts on tests and graduation, a B+ Schools grade, #148 of 362 Wisconsin towns. Among towns with similar incomes they beat 63%. Tests are from 2021–22, graduation from the class of 2023.

What school district is Erin in?

Hartford Union High School District, which runs grades 9–12 and enrolls 1,324 students in 1 schools (2024–25). Small parts of Erin are served by Holy Hill Area.

Where do Erin kids go to high school?

Hartford High in Hartford, with 1,324 students; its own test results earn a C+.

What is Erin’s graduation rate?

98% of the class of 2023 in Hartford Union High School District graduated in four years, against 90% across Wisconsin.

How much does Erin spend per student?

$14,809 in Hartford Union High School District, $11,667 in Erin School District and $13,698 in Hartford Joint No. 1 School District (FY2024), against $16,459 across Wisconsin. Spending doesn’t count toward the grade.

Parents talk

What Erin families are saying about school.

Town Square →
Start the conversation

Looking for colleges? Colleges near Erin → 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 Wisconsin. Stars are from neighbors.