St. Mary School
Parish school · Grades Pre-K–8
Delaware, OH
66 E William St, Delaware, OH 43015
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 98% of Catholic schools in Ohio
- Serving families in Delaware since at least 2011
In Delaware, Ohio, St. Mary School is a Catholic parish school for students from pre-K through 8th grade. About 122 students attend, with roughly 6 students per teacher, smaller classes than 98% of Catholic elementary schools in Ohio. It has been listed in official private school records since 2011–12. The school is part of the Diocese of Columbus. The school day runs about 6.5 hours, 177 days a year. Ohio has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 122
- Teachers
- 19.9 (full-time equivalent)
- Students per teacher
- 6.1
- Boys and girls
- Coed · 64 girls, 58 boys
- Religious affiliation
- Catholic · Parish school
- Diocese
- Diocese of Columbus
- School day
- About 6.5 hours
- School year
- 177 days
- Library
- Yes
Reviews
Be the first to share what you love about St. Mary School.
How it compares
- Smaller classes than 98% of Catholic elementary schools in Ohio (6 students per teacher).
- A smaller school: fewer students than 80% of Catholic elementary schools in Ohio.
- Compared with 240 Catholic elementary schools in Ohio.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
Help paying tuition in Ohio
These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. Mary School whether it takes part.
- EdChoice Scholarship (traditional) · Voucher or scholarship
- EdChoice Expansion · Voucher or scholarship
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?
Questions about St. Mary School
What grades does St. Mary School serve?
St. Mary School serves grades Pre-K–8.
How many students attend St. Mary School?
About 122 students, with 6 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. Ohio 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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