St. Johns College High School
Independent Catholic school · Grades 9–12
Washington, DC
2607 Military Rd NW, Washington, DC 20015
Overall grade: B+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B-Class size
- ACollege-going
- B+Years serving families
- A+Diversity
What stands out
- The largest of 18 Catholic schools in the District of Columbia
- The largest Catholic school in Washington
- One of the most diverse private schools in the District of Columbia
- 99% of graduates go to four-year colleges
- Growing: enrollment up 72% since 2011–12
St. Johns College High School is an independent Catholic school in Washington, District of Columbia, for students from 9th grade through 12th grade. It has about 1,794 students and around 20 students per teacher. Enrollment has grown about 72% since 2011–12. The school is part of the Archdiocese of Washington. The school reports that about 99% of its graduates go on to four-year colleges. Students attend about 6.5 hours a day, 165 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 1,794
- Teachers
- 91.3 (full-time equivalent)
- Students per teacher
- 19.6
- Boys and girls
- Coed · 1,100 girls, 694 boys
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Archdiocese of Washington
- School day
- About 6.5 hours
- School year
- 165 days
- Graduates going to 4-year colleges
- About 99% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Larger than 99% 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
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. Johns College High School
What grades does St. Johns College High School serve?
St. Johns College High School serves grades 9–12.
How many students attend St. Johns College High School?
About 1,794 students, with 20 students per teacher, according to official records.
How much is tuition at St. Johns College High 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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