St. Mary Catholic School
Diocesan school · Grades Pre-K–8
Greeley, CO
2351 22nd Ave, Greeley, CO 80631
Overall grade: A-
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B+Class size
- B+Years serving families
- ADiversity
What stands out
- The only Catholic school in Greeley
- Serving families in Greeley since at least 2011
St. Mary Catholic School is a Catholic diocesan school in Greeley, Colorado, for students from pre-K through 8th grade. It has about 153 students and around 13 students per teacher. The school is part of the Archdiocese of Denver. Students attend about 6 hours a day, 176 days a year.
At a glance
- Grades
- Grades Pre-K–8
- Students
- 153
- Teachers
- 11.9 (full-time equivalent)
- Students per teacher
- 12.9
- Boys and girls
- Coed · 75 girls, 78 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Archdiocese of Denver
- School day
- About 6 hours
- School year
- 176 days
- Library
- Yes
Reviews
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How it compares
- A smaller school: fewer students than 72% of Catholic elementary schools in Colorado.
- Compared with 39 Catholic elementary schools in Colorado.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
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?
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 153 students, with 13 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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