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St. Mary Catholic School

Diocesan school · Grades Pre-K–8

Royal Oak, MI

628 S Lafayette Ave, Royal Oak, MI 48067

Overall grade: A

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

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

What stands out

  • Smaller classes than 64% of Catholic schools in Michigan
  • Serving families in Royal Oak since at least 2011

In Royal Oak, Michigan, St. Mary Catholic School is a Catholic diocesan school for students from pre-K through 8th grade. About 234 students attend, with roughly 11 students per teacher, smaller classes than 64% of Catholic elementary schools in Michigan. Enrollment is up about 13% since 2011–12. The school is part of the Archdiocese of Detroit. The school day runs about 6.5 hours, 171 days a year.

At a glance

Grades
Grades Pre-K–8
Students
234
Teachers
21.5 (full-time equivalent)
Students per teacher
10.9
Boys and girls
Coed · 135 girls, 99 boys
Religious affiliation
Catholic · Diocesan school
School day
About 6.5 hours
School year
171 days
Library
Yes

Reviews

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    How it compares

    • Smaller classes than 64% of Catholic elementary schools in Michigan (11 students per teacher).
    • Larger than 75% of Catholic elementary schools in Michigan.
    • Compared with 135 Catholic elementary schools in Michigan.

    Students by survey year

    207’11–12259’13–14273’15–16238’17–18227’19–20226’21–22234’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    Pre-K75
    K31
    130
    223
    325
    426
    531
    623
    723
    822

    Student body

    White87%
    Hispanic or Latino5%
    Two or more races5%
    Black2%
    Asian2%

    Member of

    • National Catholic Educational Association

    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. Mary Catholic School

    What grades does St. Mary Catholic School serve?

    St. Mary Catholic School serves grades Pre-K–8.

    How many students attend St. Mary Catholic School?

    About 234 students, with 11 students per teacher, according to official records.

    How much is tuition at St. Mary Catholic School?

    Call the school to ask about tuition, financial aid and payment plans.

    Official record · Updated October 2026 · Official search · Something wrong? Tell us

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