Grafton High
🇺🇸 Official data · 2025Grafton, Wisconsin 53024 · Grafton School District
#20 of 446 high schools in Wisconsin
#3524 of 16,910 nationally
About Grafton High
Grafton High is a public high located in Grafton, in the Grafton School District school district of Wisconsin, United States. It caters for Grades 9–12. In 2025 it enrolled 727 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 69.1 out of 100, placing it in the top 25% of high schools in United States and 20th of 446 ranked high schools in Wisconsin. Its strongest component is community advantage (fewer free/reduced-price lunch) (95th percentile), and its weakest is students per teacher (43th percentile).
Other published figures: enrollment 727.
There are 4 schools in Grafton; Grafton High ranks 4th of 4 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)52%
- Reading proficiency (30%)62%
- Community advantage (fewer free/reduced-price lunch) (25%)15.3%
- Students per teacher (15%)15.8
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Grafton High by the official sources.
- Enrollment
- 727
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 15.3%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 15.8
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 62%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 52%
- Share of tested students proficient or above (all students, all grades).
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Schools near Grafton High
Closest schools by straight-line distance, with their Success Index (US).
Kennedy Elementary
Grafton · Public elementary · Grades PK–5
507 students · 1.4 km away
John Long Middle
Grafton · Public middle · Grades 6–8
452 students · 1.8 km away
Woodview Elementary
Grafton · Public elementary · Grades PK–5
506 students · 2.0 km away
Thorson Elementary
Cedarburg · Public elementary · Grades PK–5
529 students · 3.0 km away
Parkview Elementary
Cedarburg · Public elementary · Grades PK–5
504 students · 5.2 km away
Cedarburg High
Cedarburg · Public high · Grades 9–12
1,073 students · 5.3 km away
Westlawn Elementary
Cedarburg · Public elementary · Grades PK–5
297 students · 5.6 km away
Webster Middle
Cedarburg · Public middle · Grades 6–8
692 students · 5.7 km away
Saukville Elementary
Saukville · Public elementary · Grades PK–4
303 students · 7.0 km away
Oriole Lane Elementary
Mequon · Public elementary · Grades PK–5
499 students · 7.7 km away
Similar schools
Public high schools in Wisconsin with a comparable Enrollment.
McFarland High
McFarland · Public high · Grades 9–12
727 students
Logan High
La Crosse · Public high · Grades 9–12
729 students
Plymouth High
Plymouth · Public high · Grades 9–12
735 students
Mount Horeb High
Mount Horeb · Public high · Grades 9–12
745 students
Shawano High
Shawano · Public high · Grades 9–12
702 students
Merrill High
Merrill · Public high · Grades 9–12
756 students
Frequently asked questions
Is Grafton High a good school?
Grafton High has a Success Index (US) of 69.1 out of 100 (Top 25% of high schools in United States) and ranks #20 of 446 in Wisconsin. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Grafton High rank in Wisconsin?
Grafton High ranks #20 of 446 high schools in Wisconsin and #3524 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Grafton High?
Grafton High had 727 students in 2025.
Is Grafton High a elementary school or a high school?
Grafton High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Grafton High?
There are 10 schools within 15 km of Grafton High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.