Rock River Charter School

31 W Milwaukee St, Janesville, WI 53548

Grades
9–12
High
Students
267
Enrolled 2024–25
Students per teacher
16.7 : 1
Full-time teachers
District
Janesville School District
Rock County

Not graded

Alternative schools serve students whose needs a regular school could not meet, and states hold them to separate accountability rules, so we don't rank them against regular schools. How we grade

About Rock River Charter School

Rock River Charter School is a charter high school in Janesville, Wisconsin, serving grades 9–12. It is part of Janesville School District. The school is located in a small city in Rock County.

In the 2024–25 school year, 267 students were enrolled, with about 16.7 students for every full-time teacher. That ratio is larger than the typical Wisconsin high school (13.5 students per teacher). As a charter school, it is publicly funded and tuition-free, but operates independently of the local district under a charter from Janesville School District.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

31 W Milwaukee St
Janesville, WI 53548
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School details

Type
Charter School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
267 students
Students per teacher
16.7 to 1
Charter school
Yes
Charter authorizer
Janesville School District
Magnet school
No
Virtual learning
Offers virtual courses
Locale
City — Small
School district
Janesville School District
County
Rock County
NCES school ID
550702001698

Schools near Rock River Charter School

All 31 schools in Janesville →
Craig High
Public · Grades 9–12 · 1,400 students
C1.2 mi
Parker High
Public · Grades 9–12 · 1,272 students
D2.0 mi
Milton High
Public · Grades 9–12 · 1,057 students
C7.3 mi
Turner High
Public · Grades 9–12 · 459 students
A8.8 mi

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.