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D−

Rock River Charter School

PublicHighGrades 9–12CharterAlternative Education School

31 W Milwaukee St, Janesville, WI 53548 · (608) 752-8273

Janesville’s School Grade C+ better than 38% of Wisconsin school districts

Directions
Students
267
Students per teacher
17:1
Free or reduced lunch
76%
Setting
City
Grades
9–12
The gist

What stands out about Rock River Charter School

  • Its own letter, D−: reading and math results near the bottom of Wisconsin’s public schools
  • Math proficiency 32 pts below the state
  • Reading / language arts 34 pts below the state
  • Enrollment up 32.2% since 2020–21

Test scores

2020–21
Math proficiency5%
State average 37.3%
Reading / language arts5%
State average 38.6%

Its own letter, D−, places these results among Wisconsin’s 1,899 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

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 2020–21.

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.

Parents talk

Questions and answers about Rock River Charter School from Janesville families.

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Wisconsin’s other public schools; Janesville’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.