St. William Catholic School
Parish school · Grades Pre-K–8
Janesville, WI
1822 Ravine St, Janesville, WI 53548
Overall grade: B
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- BClass size
- A-Years serving families
- BDiversity
What stands out
- Growing: enrollment up 27% since 2011–12
- Serving families in Janesville since at least 2011
St. William Catholic School is a Catholic parish school in Janesville, Wisconsin, for students from pre-K through 8th grade. It has about 167 students and around 13 students per teacher. Enrollment has grown about 27% since 2011–12. The school is part of the Diocese of Madison. Students attend about 7.5 hours a day, 170 days a year. Wisconsin has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 167
- Teachers
- 12.5 (full-time equivalent)
- Students per teacher
- 13.4
- Boys and girls
- Coed · 63 girls, 104 boys
- Religious affiliation
- Catholic · Parish school
- Diocese
- Diocese of Madison
- School day
- About 7.5 hours
- School year
- 170 days
- Library
- Yes
Reviews
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How it compares
- Larger than 67% of Catholic elementary schools in Wisconsin.
- Compared with 201 Catholic elementary schools in Wisconsin.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
Help paying tuition in Wisconsin
These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. William Catholic School whether it takes part.
- Parental Choice Program · Voucher or scholarship
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about St. William Catholic School
What grades does St. William Catholic School serve?
St. William Catholic School serves grades Pre-K–8.
How many students attend St. William Catholic School?
About 167 students, with 13 students per teacher, according to official records.
How much is tuition at St. William Catholic School?
Call the school to ask about tuition, financial aid and payment plans. Wisconsin has programs that can help pay private school tuition; ask whether the school takes part.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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