Serving 253 students in grades 6-12, Rock River Charter School ranks in the bottom 50% of all schools in Wisconsin for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤5% (which is lower than the Wisconsin state average of 40%). The percentage of students achieving proficiency in reading/language arts is ≤5% (which is lower than the Wisconsin state average of 38%).
The student:teacher ratio of 16:1 is higher than the Wisconsin state level of 13:1.
Minority enrollment is 38% of the student body (majority Hispanic), which is higher than the Wisconsin state average of 33% (majority Hispanic).
Quick Stats (2025)
- School Type: Alternative school / Charter School
- Grades: 6-12
- Enrollment: 253 students
- Student:Teacher Ratio: 16:1
- Minority Enrollment: 38%
- Graduation Rate: 85-89% (Btm 50% in WI)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: ≤5% (Btm 50%)
- Science Proficiency: ≤5% (Btm 50%)
- Source: National Center for Education Statistics (NCES), WI Dept. of Education
Top Rankings
Rock River Charter School ranks among the top 20% of public schools in Wisconsin for:
Category
Attribute
Diversity
Percent Eligible For Free Lunch
School Overview
Rock River Charter School's student population of 253 students has grown by 22% over five school years.
The teacher population of 16 teachers has grown by 23% over five school years.
School Type
Grades Offered
Grades 6-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
253 students
Gender %
Total Classroom Teachers
16 teachers
School Rankings
Rock River Charter School ranks within the bottom 50% of all 1,991 schools in Wisconsin (based off of combined math and reading proficiency testing data).
The diversity score of Rock River Charter School is 0.57, which is more than the diversity score at state average of 0.53. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1922 out of 1991 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
(22-23)≤5%
40%
Reading/Language Arts Test Scores (% Proficient)
≤5%
38%
Science Test Scores (% Proficient)
≤5%
44%
Student : Teacher Ratio
16:1
13:1
American Indian
n/a
1%
Asian
1%
4%
Hispanic
15%
14%
Black
11%
9%
White
62%
67%
Hawaiian
n/a
n/a
Two or more races
11%
5%
All Ethnic Groups
Graduation Rate
(22-23)85-89%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
79%
37%
Eligible for Reduced Lunch
5%
4%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WI Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Rock River Charter School's ranking?
Rock River Charter School is ranked #1922 out of 1,991 schools, which ranks it among the bottom 50% of public schools in Wisconsin.
What percent of students have achieved state testing proficiency in math and reading?
≤5% of students have achieved math proficiency (compared to the 40% WI state average), while ≤5% of students have achieved reading proficiency (compared to the 38% WI state average).
What is the graduation rate of Rock River Charter School?
The graduation rate of Rock River Charter School is 85-89%, which is lower than the Wisconsin state average of 90%.
How many students attend Rock River Charter School?
253 students attend Rock River Charter School.
What is the racial composition of the student body?
62% of Rock River Charter School students are White, 15% of students are Hispanic, 11% of students are Black, 11% of students are Two or more races, and 1% of students are Asian.
What is the student:teacher ratio of Rock River Charter School?
Rock River Charter School has a student ration of 16:1, which is higher than the Wisconsin state average of 13:1.
What grades does Rock River Charter School offer ?
Rock River Charter School offers enrollment in grades 6-12 (Supplemental Virtual).
What school district is Rock River Charter School part of?
Rock River Charter School is part of Janesville School District.
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