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St. Mary School

Parish school · Grades K–8

Bonnots Mill, MO

1641 Hwy C, Bonnots Mill, MO 65016

Overall grade: A

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

  • A+Class size
  • A-Years serving families

What stands out

  • Smaller classes than 97% of Catholic schools in Missouri
  • Serving families in Bonnots Mill since at least 2011

In Bonnots Mill, Missouri, St. Mary School is a Catholic parish school for students from kindergarten through 8th grade. About 22 students attend, with roughly 5 students per teacher, smaller classes than 97% of Catholic elementary schools in Missouri. It has been listed in official private school records since 2011–12. The school is part of the Diocese of Jefferson City. The school day runs about 7.5 hours, 172 days a year. Missouri has programs that can help pay tuition; ask the school whether it takes part.

At a glance

Grades
Grades K–8
Students
22
Teachers
4.5 (full-time equivalent)
Students per teacher
4.9
Boys and girls
Coed · 6 girls, 16 boys
Religious affiliation
Catholic · Parish school
School day
About 7.5 hours
School year
172 days

Reviews

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    How it compares

    • Smaller classes than 97% of Catholic elementary schools in Missouri (5 students per teacher).
    • A smaller school: fewer students than 99% of Catholic elementary schools in Missouri.
    • Compared with 154 Catholic elementary schools in Missouri.

    Students by survey year

    43’11–1238’13–1431’15–1629’17–1825’19–2024’21–2222’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    K4
    12
    23
    45
    52
    62
    71
    83

    Student body

    White100%

    Member of

    • National Catholic Educational Association

    Help paying tuition in Missouri

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

    More about Missouri'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. Mary School

    What grades does St. Mary School serve?

    St. Mary School serves grades K–8.

    How many students attend St. Mary School?

    About 22 students, with 5 students per teacher, according to official records.

    How much is tuition at St. Mary School?

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