St. Louis Priory School
Independent Catholic school · Grades 7–12
Saint Louis, MO
500 S Mason Rd, Saint Louis, MO 63141
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- ACollege-going
- B+Years serving families
- B+Diversity
What stands out
- 100% of graduates go to four-year colleges
- Smaller classes than 78% of Catholic schools in Missouri
St. Louis Priory School is an independent Catholic school in Saint Louis, Missouri, for students from 7th grade through 12th grade. It has about 299 students and around 8 students per teacher, smaller classes than 78% of Catholic high schools in Missouri. The school is an all-boys school and is part of the Archdiocese of St. Louis. The school reports that about 100% of its graduates go on to four-year colleges. Students attend about 8.5 hours a day, 158 days a year. Missouri has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades 7–12
- Students
- 299
- Teachers
- 35.4 (full-time equivalent)
- Students per teacher
- 8.4
- Boys and girls
- All boys
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Archdiocese of St. Louis
- School day
- About 8.5 hours
- School year
- 158 days
- Graduates going to 4-year colleges
- About 100% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
Be the first to share what you love about St. Louis Priory School.
How it compares
- Smaller classes than 78% of Catholic high schools in Missouri (8 students per teacher).
- A smaller school: fewer students than 61% of Catholic high schools in Missouri.
- Compared with 23 Catholic high schools in Missouri.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
- National Association of Independent Schools
- A state or regional independent school association
Help paying tuition in Missouri
These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. Louis Priory School whether it takes part.
- MOScholars · Tax-credit 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. Louis Priory School
What grades does St. Louis Priory School serve?
St. Louis Priory School serves grades 7–12.
How many students attend St. Louis Priory School?
About 299 students, with 8 students per teacher, according to official records.
How much is tuition at St. Louis Priory 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
Other private schools nearby
Saul Mirowitz Jewish Community School
Jewish day school · Grades K–8
Smaller classes than 65% of Jewish day schools nationwide
Saint Louis, MO0.4 mi
Whitfield School
Independent school · Grades 6–12
98% of graduates go to four-year colleges
Saint Louis, MO0.7 mi
Principia School
Religious school · Grades Pre-K–12
The largest of 36 private schools in Missouri
Saint Louis, MO0.9 mi
Promise Christian Academy
Special education school · Grades K–12
The only special education school in Town and Country
Town and Country, MO0.9 mi
Westminster Christian Academy
Presbyterian school · Grades 7–12
One of the 3 largest Christian schools in Missouri
Town and Country, MO1.5 mi
Harper School
Independent school · Grades Pre-K–1
The only independent school in Town and Country
Town and Country, MO1.9 mi