Mount Saint Mary Catholic High School
Diocesan school · Grades 9–12
Oklahoma City, OK
2801 S Shartel Ave, Oklahoma City, OK 73109
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- ACollege-going
- B+Years serving families
- A-Diversity
What stands out
- The smallest classes of any Catholic school in Oklahoma City
- 100% of graduates go to four-year colleges
- Smaller classes than 79% of Catholic schools nationwide
- Serving families in Oklahoma City since at least 2011
In Oklahoma City, Oklahoma, Mount Saint Mary Catholic High School is a Catholic diocesan school for students from 9th grade through 12th grade. About 389 students attend, with roughly 9 students per teacher, smaller classes than 79% of Catholic high schools nationwide. The school is part of the Archdiocese of Oklahoma City. The school reports that about 100% of its graduates go on to four-year colleges. The school day runs about 7 hours, 180 days a year. Oklahoma has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades 9–12
- Students
- 389
- Teachers
- 41.3 (full-time equivalent)
- Students per teacher
- 9.4
- Boys and girls
- Coed · 148 girls, 241 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Archdiocese of Oklahoma City
- School day
- About 7 hours
- School year
- 180 days
- Graduates going to 4-year colleges
- About 100% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 79% of Catholic high schools nationwide (9 students per teacher).
- A smaller school: fewer students than 53% of Catholic high schools nationwide.
- Compared with 773 Catholic high schools nationwide.
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 Oklahoma
These state programs can help pay private school tuition. Only participating schools can accept them, so ask Mount Saint Mary Catholic High School whether it takes part.
- Parental Choice Tax Credit · Tax credit or deduction
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 Mount Saint Mary Catholic High School
What grades does Mount Saint Mary Catholic High School serve?
Mount Saint Mary Catholic High School serves grades 9–12.
How many students attend Mount Saint Mary Catholic High School?
About 389 students, with 9 students per teacher, according to official records.
How much is tuition at Mount Saint Mary Catholic High School?
Call the school to ask about tuition, financial aid and payment plans. Oklahoma 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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