For the 2026 school year, there are 2 public charter schools serving 479 students in Janesville, WI.
The top-ranked public charter schools in Janesville, WI are Rock University High School and Rock River Charter School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Janesville, WI public charter schools have an average math proficiency score of 11% (versus the Wisconsin public charter school average of 28%), and reading proficiency score of 29% (versus the 32% statewide average). Charter schools in Janesville have an average ranking of 2/10, which is in the bottom 50% of Wisconsin public charter schools.
Minority enrollment is 32% of the student body (majority Hispanic), which is less than the Wisconsin public charter school average of 54% (majority Hispanic and Black).
Best Public Charter Schools in Janesville, WI (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Rock University High School
Charter School
(Math: 21-39% | Reading: 40-59%)
Rank:
Rank:
6/
Top 50%10
6004 S County Road G
Janesville, WI 53548
(608) 743-7425
Janesville, WI 53548
(608) 743-7425
Gr: 9-12 | 93 students Student-teacher ratio: 16:1 Minority enrollment: 23%
Rank: #22.
Rock River Charter School
Alternative School
Charter School
Charter School
(Math: ≤5% | Reading: ≤5%)
Rank:
Rank:
1/
Bottom 50%10
31 W Milwaukee St
Janesville, WI 53548
(608) 752-8273
Janesville, WI 53548
(608) 752-8273
Gr: 9-12 | 267 students Student-teacher ratio: 17:1 Minority enrollment: 36%
Frequently Asked Questions
What are the top-ranked public charter schools in Janesville, WI?
The top-ranked public charter schools in Janesville, WI include Rock University High School and Rock River Charter School.
How many public charter schools are located in Janesville?
3 public charter schools are located in Janesville.
What is the racial composition of students in Janesville?
Janesville public charter schools minority enrollment is 32% of the student body (majority Hispanic), which is less than the Wisconsin public charter schools average of 54% (majority Hispanic and Black).
Which public charter schools in Janesville are often viewed compared to one another?
Popular comparisons of public charter schools in Janesville include: Rock River Charter School vs. Rock University High School
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