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Schools in Merton · Arrowhead Union High School District, North Lake School District

Merton’s public schools outscore 95% of Wisconsin districts

On the state math tests, 63% of Merton’s students scored proficient, above the Wisconsin average (39%). The grade covers the three public school districts serving Merton, 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.

#10of 362 Wisconsin townsK–12Where will my kid go?

From Wisconsin 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
57%
▲ 19 pts vs WI 38%
2021–22
Math proficiency
63%
▲ 25 pts vs WI 39%
2021–22
Graduate on time
99–100%
▲ 8–10 pts vs WI 90%
class of 2023
Spent per student
$14.4K
▼ 13% vs WI $16.5K
FY2024 · Arrowhead Union High
Students per teacher
16.0
WI 13.6 · larger classes
Schools in town
4
2,556 students on the public path
In brief

Merton’s schools, in brief

Above the state on both counts

Reading proficiency is 57% and math 63% across its districts in spring 2022, against 38% and 39% statewide; 99–100% of the class of 2023 graduated in four years, against 90%. Test scores ↓

Spending and class size

Arrowhead Union High spends $14,371 per student and North Lake $12,000, against $16,459 across Wisconsin (FY2024). Neither counts toward the grade. Districts ↓

Two elementary schools, then one high school

Which elementary school depends on the address; from grade 9 the district’s path is Arrowhead High. Enrollment is down 6% 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 Merton’s grade

A Test scoresA+ Graduation

A+: better than 95% of Wisconsin school districts, #10 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 95%
Lower resultsHigher results
Wisconsin towns with similar household incomes (614)Better than 99%
AA+A fairly firm grade. Ordinary sampling error in 882 test results and a graduating class of 493 could put Merton anywhere from A to A+. The tests are from spring 2022, when 98% of Merton’s students in the tested grades sat them (882 in math, 882 in reading).

How TownRatings grades schools →

Where will my kid go?

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

The path, start to finish
PK–82 schoolsDepends on your addressA to A+
9–12Arrowhead HighArrowhead Union High School DistrictA

Parts of Merton (12%, 11%, 3% and 2% of its land) are served by Swallow, Merton, Lake Country and Hartland-Lakeside Joint No. 3 instead. To confirm the school for a specific address, ask the district.

Three districts serve Merton

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

Arrowhead Union High School DistrictGrades 9–12 · 1 schools · 1,950 students, down 6% since 2020–21 · 17.1 per teacher (WI 13.6)
$14,371WI $16,459 · FY2024
A
North Lake School DistrictGrades PK–8 · 1 schools · 365 students, up 19% since 2020–21 · 14.7 per teacher (WI 13.6)
$12,000WI $16,459 · FY2024
A+
Stone Bank School DistrictGrades PK–8 · 1 schools · 241 students, down 24% since 2020–21 · 11.9 per teacher (WI 13.6)
$14,404WI $16,459 · FY2024
A+
Test scores · 2021–22

Well above the state in reading

Reading · 9–12, Arrowhead Union High School District53%
State average 38.1% · 477 students tested
Math · 9–12, Arrowhead Union High School District60%
State average 38.7% · 477 students tested
Reading · PK–8, North Lake School District68%
State average 38.1% · 208 students tested
Math · PK–8, North Lake School District72%
State average 38.7% · 208 students tested
Reading · PK–8, Stone Bank School District57%
State average 38.1% · 197 students tested
Math · PK–8, Stone Bank School District62%
State average 38.7% · 197 students tested

Merton vs. its neighbors

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

Schools next door
TownSchoolsMain districts
MertonA+North Lake PK–8 · Stone Bank PK–8 · Arrowhead Union High 9–12
Chenequa—Lake Country PK–8 · Stone Bank PK–8 · Swallow PK–8
HartlandA+Hartland-Lakeside Joint No. 3 PK–8 · Arrowhead Union High 9–12
OconomowocAOconomowoc Area PK–12 · Arrowhead Union High 9–12
Merton (village)A+Merton PK–8 · Arrowhead Union High 9–12
DelafieldAKettle Moraine PK–12 · Lake Country PK–8 · Arrowhead Union High 9–12
ErinB+Erin PK–8 · Hartford Joint No. 1 PK–8 · Hartford Union High 9–12
LisbonA+Hamilton PK–12 · Merton PK–8 · Arrowhead Union High 9–12

6 of the 7 neighbors share Arrowhead Union High with Merton for grades 9–12, so their letters differ mainly through the lower grades.

Every school in Merton

4 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 Mertonby address
North Lake Elementary
Elementary · Grades PK–8 · Hartland
A+
365 students15:1Rate it →
Stone Bank Elementary
Elementary · Grades PK–8 · Oconomowoc
A
241 students12:1Rate it →
Arrowhead High
High · Grades 9–12 · Hartland
A
1,950 students17:1Rate it →
Other public schools in Mertonrun by other districts or the state
Swallow Elementary
Elementary · Grades PK–8 · Hartland
A+
432 students15:1Rate it →

Questions about Merton’s schools

Are Merton’s schools good?

By Wisconsin’s own tests, yes: the public schools Merton children attend outscore 95% of Wisconsin’s school districts on tests and graduation, an A+ Schools grade, #10 of 362 Wisconsin towns. Among towns with similar incomes they beat 99%. Tests are from 2021–22, graduation from the class of 2023.

What school district is Merton in?

Arrowhead Union High School District, which runs grades 9–12 and enrolls 1,950 students in 1 schools (2024–25). Small parts of Merton are served by Swallow, Merton, Lake Country and Hartland-Lakeside Joint No. 3.

Where do Merton kids go to high school?

Arrowhead High in Hartland, with 1,950 students; its own test results earn an A.

What is Merton’s graduation rate?

99–100% of the class of 2023 in Arrowhead Union High School District graduated in four years, against 90% across Wisconsin.

How much does Merton spend per student?

$14,371 in Arrowhead Union High School District, $12,000 in North Lake School District and $14,404 in Stone Bank School District (FY2024), against $16,459 across Wisconsin. Spending doesn’t count toward the grade.

Parents talk

What Merton families are saying about school.

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Looking for colleges? Colleges near Merton → 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.