2023-2024 TUITION:
  • 9th - 11th Grade - $16,033
  • 12th Grade - $15,768
  • International Students - $18,500

2023-2024 TUITION: $16,033 (Grade 9-11) | $15,768 (Grade 12)

Beginning with our Class of 2025, we transitioned from family-purchased iPads to school-issued laptops. A $250 technology fee, which covers the devices, software, insurance and all other related expenses has been included into the tuition for Grade 9-11.


EMMAUS is a fee-based optional program for students with documented learning differences. If you have specific questions about our EMMAUS program, please feel free to contact Mrs. Harrah Blum, Director of EMMAUS, at

Transportation routes are subject to change and arranged each year based upon student interest.

We offer 13 different types of scholarships for eighth grade students. Scholarships renew annually, as long as the student meets the annual criteria for their award. We also offer financial aid and grants, which all families may reapply for annually. Click here to browse our scholarships, grants, and financial aid.

2501 Pike Creek Road, Wilmington, DE 19808

Phone: (302) 738-3300   Fax: (302) 757-8704
Saint Mark’s, a college-preparatory coeducational Catholic high school, inspires young men and women to create a better world, one more pleasing to God and more helpful to others, by modeling faith, excellence, humility, and integrity.