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St. Agnes School

Diocesan school · Grades Pre-K–8

Butler, WI

12801 W Fairmount Ave, Butler, WI 53007

Overall grade: A+

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

  • B+Class size
  • A-Years serving families
  • A+Diversity

What stands out

  • One of the most diverse private schools in Wisconsin
  • Growing: enrollment up 20% since 2011–12
  • Serving families in Butler since at least 2011

St. Agnes School is a Catholic diocesan school in Butler, Wisconsin, for students from pre-K through 8th grade. It has about 159 students and around 12 students per teacher. Enrollment has grown about 20% since 2011–12. The school is part of the Archdiocese of Milwaukee. Students attend about 7 hours a day, 178 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
159
Teachers
13.5 (full-time equivalent)
Students per teacher
11.8
Boys and girls
Coed · 73 girls, 86 boys
Religious affiliation
Catholic · Diocesan school
School day
About 7 hours
School year
178 days
Library
Yes

Reviews

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    How it compares

    • Larger than 65% of Catholic elementary schools in Wisconsin.
    • Compared with 201 Catholic elementary schools in Wisconsin.

    Students by survey year

    132’11–12120’13–14134’15–16136’17–18145’19–20110’21–22159’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    Pre-K19
    K22
    TK21
    117
    213
    319
    415
    514
    69
    715
    814

    Student body

    Black38%
    White31%
    Two or more races13%
    Hispanic or Latino13%
    Asian5%

    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. Agnes 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. Agnes School

    What grades does St. Agnes School serve?

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

    How many students attend St. Agnes School?

    About 159 students, with 12 students per teacher, according to official records.

    How much is tuition at St. Agnes 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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