Cathedral High School
Independent Catholic school · Grades 7–12
Boston, MA
74 Union Park St, Boston, MA 02118
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- ACollege-going
- B+Years serving families
- BDiversity
What stands out
- Smaller classes than 83% of Catholic schools in Massachusetts
- 98% of graduates go to four-year colleges
- Growing: enrollment up 23% since 2011–12
Cathedral High School is an independent Catholic school in Boston, Massachusetts, for students from 7th grade through 12th grade. It has about 326 students and around 9 students per teacher, smaller classes than 83% of Catholic high schools in Massachusetts. Enrollment has grown about 23% since 2011–12. The school is part of the Archdiocese of Boston. The school reports that about 98% of its graduates go on to four-year colleges. Students attend about 6.5 hours a day, 180 days a year.
At a glance
- Grades
- Grades 7–12
- Students
- 326
- Teachers
- 35.9 (full-time equivalent)
- Students per teacher
- 9.1
- Boys and girls
- Coed · 158 girls, 168 boys
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Archdiocese of Boston
- School day
- About 6.5 hours
- School year
- 180 days
- Graduates going to 4-year colleges
- About 98% (the school's estimate for the class before the survey)
Reviews
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How it compares
- Smaller classes than 83% of Catholic high schools in Massachusetts (9 students per teacher).
- A smaller school: fewer students than 74% of Catholic high schools in Massachusetts.
- Compared with 23 Catholic high schools in Massachusetts.
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 Cathedral High School
What grades does Cathedral High School serve?
Cathedral High School serves grades 7–12.
How many students attend Cathedral High School?
About 326 students, with 9 students per teacher, according to official records.
How much is tuition at Cathedral 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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