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St. Alphonsus School

Diocesan school · Grades Pre-K–8

Greendale, WI

6000 W Loomis Rd, Greendale, WI 53129

Overall grade: B+

ChooseAPrivateSchool.com grade, from official facts compared with similar schools.

  • A-Class size
  • A-Years serving families
  • BDiversity

What stands out

  • Serving families in Greendale since at least 2011

St. Alphonsus School is a Catholic diocesan school in Greendale, Wisconsin, for students from pre-K through 8th grade. It has about 120 students and around 9 students per teacher. It has been listed in official private school records since 2011–12. The school is part of the Archdiocese of Milwaukee. Students attend about 7 hours a day, 180 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
120
Teachers
13.1 (full-time equivalent)
Students per teacher
9.2
Boys and girls
Coed · 34 girls, 86 boys
Religious affiliation
Catholic · Diocesan school
School day
About 7 hours
School year
180 days
Library
Yes

Reviews

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    How it compares

    • Smaller classes than 56% of Catholic elementary schools in Wisconsin (9 students per teacher).
    • Larger than 52% of Catholic elementary schools in Wisconsin.
    • Compared with 201 Catholic elementary schools in Wisconsin.

    Students by survey year

    335’11–12391’13–14380’15–16352’17–18290’19–20188’21–22120’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    Pre-K28
    K16
    18
    211
    313
    414
    522
    614
    712
    810

    Student body

    White93%
    Hispanic or Latino3%
    Black3%
    Asian2%

    Member of

    • National Catholic Educational Association
    • A state or regional independent school association

    Help paying tuition in Wisconsin

    These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. Alphonsus School whether it takes part.

    More about Wisconsin's programs →

    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?

    More questions to ask →

    Questions about St. Alphonsus School

    What grades does St. Alphonsus School serve?

    St. Alphonsus School serves grades Pre-K–8.

    How many students attend St. Alphonsus School?

    About 120 students, with 9 students per teacher, according to official records.

    How much is tuition at St. Alphonsus 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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