D−
Rock River Charter School
PublicHighGrades 9–12CharterVirtualAlternative Education School
31 W Milwaukee St, Janesville, WI 53548 · (608) 752-8273
Students
267
Students per teacher
17:1
Free or reduced lunch
76%
Setting
City
Grades
9–12
What stands out about Rock River Charter School
- School Grade D−: test results are near the bottom of the state
- Math proficiency 32 pts below the state
- Reading / language arts 34 pts below the state
- Enrollment up 32.2% since 2020
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency5%
State average 37.3%
Reading / language arts5%
State average 38.6%
Location
Directions ↗
31 W Milwaukee St, Janesville
Students
Enrollment by grade
Grade 91
Grade 1028
Grade 1174
Grade 12164
Enrollment over time
202’20
225’21
249’22
253’23
267’24
Up 32.2% since 2020.
Who goes here
White 64%Black 12%Two or more races 11%Hispanic 10%Asian 3%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Rock River Charter School.
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.