St. John School
Diocesan school · Grades Pre-K–6
Wellesley, MA
9 Ledyard St, Wellesley, MA 02481
Overall grade: A
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- B+Years serving families
- B+Diversity
What stands out
- The only Catholic school in Wellesley
- Smaller classes than 68% of Catholic schools in Massachusetts
- Growing: enrollment up 66% since 2011–12
- Serving families in Wellesley since at least 2011
St. John School is a Catholic diocesan school in Wellesley, Massachusetts, for students from pre-K through 6th grade. It has about 174 students and around 10 students per teacher, smaller classes than 68% of Catholic elementary schools in Massachusetts. Enrollment has grown about 66% since 2011–12. The school is part of the Archdiocese of Boston. Students attend about 7 hours a day, 180 days a year.
At a glance
- Grades
- Grades Pre-K–6
- Students
- 174
- Teachers
- 17.9 (full-time equivalent)
- Students per teacher
- 9.7
- Boys and girls
- Coed · 97 girls, 77 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Archdiocese of Boston
- School day
- About 7 hours
- School year
- 180 days
Reviews
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How it compares
- Smaller classes than 68% of Catholic elementary schools in Massachusetts (10 students per teacher).
- A smaller school: fewer students than 57% of Catholic elementary schools in Massachusetts.
- Compared with 97 Catholic elementary 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 St. John School
What grades does St. John School serve?
St. John School serves grades Pre-K–6.
How many students attend St. John School?
About 174 students, with 10 students per teacher, according to official records.
How much is tuition at St. John 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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