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St. Mary Elementary School

Diocesan school · Grades Pre-K–8

Mokena, IL

11409 195th St, Mokena, IL 60448

Overall grade: B-

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

  • BClass size
  • A-Years serving families
  • BDiversity

What stands out

  • Serving families in Mokena since at least 2011

In Mokena, Illinois, St. Mary Elementary School is a Catholic diocesan school for students from pre-K through 8th grade. About 384 students attend, with roughly 16 students per teacher. It has been listed in official private school records since 2011–12. The school is part of the Diocese of Joliet. The school day runs about 6.5 hours, 176 days a year.

At a glance

Grades
Grades Pre-K–8
Students
384
Teachers
23.8 (full-time equivalent)
Students per teacher
16.1
Boys and girls
Coed · 148 girls, 236 boys
Religious affiliation
Catholic · Diocesan school
School day
About 6.5 hours
School year
176 days
Library
Yes

Reviews

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    How it compares

    • Larger than 87% of Catholic elementary schools in Illinois.
    • Compared with 285 Catholic elementary schools in Illinois.

    Students by survey year

    471’11–12478’13–14421’15–16409’17–18413’19–20385’21–22384’23–24

    Total students reported in official records since 2011–12.

    Students by grade

    Pre-K90
    K39
    153
    244
    339
    449
    537
    641
    743
    839

    Student body

    White93%
    Hispanic or Latino5%
    Black1%
    Asian1%
    Two or more races1%
    American Indian or Alaska Native1%

    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 Elementary School

    What grades does St. Mary Elementary School serve?

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

    How many students attend St. Mary Elementary School?

    About 384 students, with 16 students per teacher, according to official records.

    How much is tuition at St. Mary Elementary 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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