Below Average
#1858 of 2,105 schools in WI
Rock River Charter School
High School · Janesville School District · Janesville, WI
A Janesville School District charter high school where students score 18 points below what's typical for similar communities.
31 W Milwaukee St, Janesville, WI 53548
- Math 5% proficient (2021)
- Reading 5% proficient (2021)
- 67.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
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Students at Rock River Charter School score 5% proficient, which is below what's typical for similar communities (expected: 23%).
2021 EdFacts proficiency
Most recent published year. School vs. WI average.
Trend
→ SteadyProficiency is down 45 points across the 13-year record (2009–2021) and has held near 5% recently.
Show all 13 years
Multi-year averages used by the rating model: math 11% (multi-year average, 2009-2021) · reading/ELA 15% (multi-year average, 2009-2021)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 26 test records from WI state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
83.4%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Rock River Charter School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 84Very Walkable
- Transit 33Some Transit
- Bike 77Very Bikeable
- City Safety: High1,991/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Janesville), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$74,696
Median home value
$226,600
Median rent
$999/mo
College educated
26.7%
Homeownership
67.9%
Poverty rate
10.8%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 53548; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Craig HighEnrollment path unverified | 4.6 | 9–12 | 1.2 mi | 1,467 | Compare → |
| Arise Virtual AcademyCharter · enrollment unverified | 7.6 | K–12 | 1.4 mi | 116 | Compare → |
| Parker HighEnrollment path unverified | 3.8 | 9–12 | 2.0 mi | 1,291 | Compare → |
| Youth Services CenterEnrollment path unverified | Not rated | 4–12 | 3.2 mi | 10 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Janesville School District
- Schools in district
- 22
- Rank in district
- #19 of 21
- District spending per student
- $13,990NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 12.7%Census SAIPE · 2024
Rock River Charter School is listed in Janesville School District; a district label does not verify attendance for an address.
About Rock River Charter School
Rock River Charter School is a public high school in Janesville, WI, part of Janesville School District, serving approximately 253 students in grades 6th-12th with a 16.9:1 student-teacher ratio. It holds a MySchoolScout rating of 4.3 out of 10 and ranks #1,858 of 2,105 schools in WI. State assessment records show 11% math proficiency (multi-year average, 2009-2021) and 15% reading/ELA proficiency (multi-year average, 2009-2021).
Frequently asked questions
Common questions about Rock River Charter School
What grades does Rock River Charter School serve?
Rock River Charter School serves students in grades 6th through 12th.
How many students attend Rock River Charter School?
Rock River Charter School has an enrollment of approximately 253 students.
What is the student-teacher ratio at Rock River Charter School?
The student-teacher ratio at Rock River Charter School is 16.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Rock River Charter School rank in WI?
Rock River Charter School ranks #1,858 of 2,105 schools in WI.
What is Rock River Charter School's MySchoolScout rating?
Rock River Charter School has a current MySchoolScout rating of 4.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Rock River Charter School?
Based on loaded state assessment records, Rock River Charter School has 11% math proficiency (multi-year average, 2009-2021) and 15% reading/ELA proficiency (multi-year average, 2009-2021).
Is Rock River Charter School a charter school?
Yes, Rock River Charter School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Rock River Charter School a Title I school?
No, Rock River Charter School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Rock River Charter School?
83.4% of students at Rock River Charter School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 6th – 12th
- Enrollment
- 253
- Student-Teacher Ratio
- 16.9:1
- Teachers (FTE)
- 15
- Type
- alternative
- Setting
- Small City
- County
- Rock County
- Chronic Absenteeism (SY 2022-23)
- 26.1%
- Phone
- (608) 752-8273
- 4-Year Graduation
- 67.0%
- Area population (ZIP 53548)
- 20,509
- Area average commute
- 21.8 min
- Area median age
- 40.8
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2021 EdFacts · Low confidence
- Older source: 2021 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2021 EdFacts · Low confidence
- Older source: 2021 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 53548; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2021; directory SY 2023–24
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