St. Mark's High School
2501 Pike Creek Rd, Wilmington, DE 19808Open, per Google (checked Oct 2, 2026)
St. Mark's High School is a Roman Catholic private school in Wilmington, DE teaching grades 9-12. It reported 829 students and about 16.6 students for every teacher in the 2023-24 federal survey.
School facts
- Grades
- 9-12
- Students
- 829
- Teachers
- 50
- Students per teacher
- 16.6
- Student body
- Coeducational
- Affiliation
- Roman Catholic
- Go on to a 4-year college
- 99%
- 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 High School tuition
We have not verified a tuition figure for St. Mark's High 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, or look for a tuition page on the school’s website.
Questions to ask St. Mark's High School
- What is the full-year tuition for my child’s grade, and which fees are required on top of it?
- Is there a waitlist or an application deadline for my child’s grade?
- Do you offer financial aid, sibling discounts or payment plans?
A school is the only source for its current price and open seats. Its website or admissions office can answer these.
Other private schools nearby
| School | Grades | Students | Miles |
|---|---|---|---|
| Destiny Calling Academy | K-9 | 10 | <1 |
| Developing Minds Preschool and Learning Center | PreK-K | 7 | 1 |
| St. John the Beloved School | PreK-8 | 459 | 2 |
| The Independence School | PreK-8 | 384 | 2 |
| Islamic Academy of Delaware | PreK-8 | 124 | 3 |
| Towle Institute | 6-12 | 40 | 4 |
| Cacc Montessori School | PreK-K | 10 | 4 |
| University of Delaware Lab School | PreK-K | 5 | 4 |
Private schools
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