St. John Xxiii Catholic School
Diocesan school · Grades Pre-K–8
Port Washington, WI
1802 N Wisconsin St, Port Washington, WI 53074
Overall grade: B+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- A-Years serving families
- B+Diversity
What stands out
- Serving families in Port Washington since at least 2011
In Port Washington, Wisconsin, St. John Xxiii Catholic School is a Catholic diocesan school for students from pre-K through 8th grade. About 149 students attend, with roughly 10 students per teacher. It has been listed in official private school records since 2011–12. The school is part of the Archdiocese of Milwaukee. The school day runs about 6.5 hours, 176 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
- 149
- Teachers
- 15.6 (full-time equivalent)
- Students per teacher
- 9.6
- Boys and girls
- Coed · 72 girls, 77 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Archdiocese of Milwaukee
- School day
- About 6.5 hours
- School year
- 176 days
- Library
- Yes
Reviews
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How it compares
- Larger than 61% 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. John Xxiii 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. John Xxiii Catholic School
What grades does St. John Xxiii Catholic School serve?
St. John Xxiii Catholic School serves grades Pre-K–8.
How many students attend St. John Xxiii Catholic School?
About 149 students, with 10 students per teacher, according to official records.
How much is tuition at St. John Xxiii 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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