St. Mary's Ryken High School
Diocesan school · Grades 9–12
Leonardtown, MD
22600 Camp Calvert Rd, Leonardtown, MD 20650
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- B+College-going
- B+Years serving families
- A+Diversity
What stands out
- One of 2 Catholic schools in Leonardtown
In Leonardtown, Maryland, St. Mary's Ryken High School is a Catholic diocesan school for students from 9th grade through 12th grade. About 687 students attend, with roughly 11 students per teacher. The school is part of the Archdiocese of Washington. The school reports that about 82% of its graduates go on to four-year colleges. The school day runs about 6.5 hours, 177 days a year. Maryland has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades 9–12
- Students
- 687
- Teachers
- 64.6 (full-time equivalent)
- Students per teacher
- 10.6
- Boys and girls
- Coed · 285 girls, 402 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Archdiocese of Washington
- School day
- About 6.5 hours
- School year
- 177 days
- Graduates going to 4-year colleges
- About 82% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 59% of Catholic high schools in Maryland (11 students per teacher).
- Larger than 64% of Catholic high schools in Maryland.
- Compared with 22 Catholic high schools in Maryland.
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
Help paying tuition in Maryland
These state programs can help pay private school tuition. Only participating schools can accept them, so ask St. Mary's Ryken High School whether it takes part.
- BOOST Scholarship Program · 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's Ryken High School
What grades does St. Mary's Ryken High School serve?
St. Mary's Ryken High School serves grades 9–12.
How many students attend St. Mary's Ryken High School?
About 687 students, with 11 students per teacher, according to official records.
How much is tuition at St. Mary's Ryken High School?
Call the school to ask about tuition, financial aid and payment plans. Maryland 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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