St. Mark's School
Po Box 9105, Southborough, MA 01772
St. Mark's School is an Episcopal private school in Southborough, MA teaching grades 9-12. It reported 377 students and about 4.1 students for every teacher in the 2023-24 federal survey.
School facts
- Grades
- 9-12
- Students
- 377
- Teachers
- 91
- Students per teacher
- 4.1
- Student body
- Coeducational
- Program
- Regular
- Affiliation
- Episcopal
- Go on to a 4-year college
- 91%
- Setting
- Suburb
These are the numbers the school gave the U.S. Department of Education for the 2023-24 school year, published in July 2026. The survey counts students in kindergarten to grade 12, not pre-K. Enrollment and staffing move every year, so ask the school for today’s figures. Where this comes from. Something wrong? Tell us and we will fix it.
St. Mark's School tuition
We have not verified a tuition figure for St. Mark's School yet. Every private school sets its own price and most share it on request: ask for the full-year tuition for your child’s grade plus required fees.
Other private schools nearby
| School | Grades | Students | Miles |
|---|---|---|---|
| Fay School | K-9 | 486 | <1 |
| The New England Center for Children | PreK-12 | 108 | 2 |
| Glenhaven Academy | 6-12 | 34 | 2 |
| Miss Tanyas Woodland School | PreK-K | 12 | 3 |
| Sudbury Valley School | Ungraded | 68 | 3 |
| Summit Montessori School | PreK-6 | 65 | 4 |
| Metrowest Christian Academy | PreK-5 | 140 | 4 |
| New England Innovation Academy | 6-12 | 107 | 4 |
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