St. Mark's High School

Saint Mark's High School
Private, coeducational, Diocesan
Address	2501 Pike Creek Road
City	Wilmington
State	Delaware
County	New Castle County
Zipcode	19808
Country	USA
Coordinates	39.7179°N 75.6893°W
Religious affiliation	Roman Catholic (School Sisters of Notre Dame, Sisters, Servants of the Immaculate Heart of Mary)
Oversight	Diocese of Wilmington
President	Patrick Tiernan
Principal	Eileen Wilkinson Ed.D
Dean	Robert Megearle
Ceeb	080194
Ratio	11 students: 1 teacher
Tuition	$16,600
Grades	9–12
Accreditation	Middle States Association of Colleges and Schools^[1]
Athletics	www.spartanssports.com
Mascot	Markus (Spartan)
Team name	Spartans
Colors	Dark green, gold, white
Yearbook	Spark
Established	1969 (age 57)
Status	Open
Nobel laureates	1
Enrollment	1020 students
Website	www.stmarkshs.net

Saint Mark's High School is a coeducational Roman Catholic high school located at 2501 Pike Creek Road, in unincorporated New Castle County, Delaware, with a Wilmington postal address.^[2] The school is administrated by the Roman Catholic Diocese of Wilmington. It is accredited by the Middle States Association of Colleges and Schools.

Notable alumni

Nicole Bosso, former Miss Delaware USA
John Carney, Mayor of Wilmington (2025–Present), Governor of Delaware (2017–2025), former U.S. Representative from Delaware (2011-2017) and former Lieutenant Governor of Delaware (2001–2009)
Louis Carlet, union organizer
Tom Douglas, Seattle chef and restaurateur
Kevin Mench, retired Major League Baseball player.
Mario Pino, horse racing jockey
David Plouffe, campaign manager for Barack Obama
Keith Powell, television actor
Pedro Swann, former MLB player
Steve Watson, NFL wide receiver

^ MSA-CSS. "MSA-Commission on Secondary Schools". Archived from the original on 2009-09-17. Retrieved 2009-06-23.
^ "Home". St. Mark's High School. Retrieved 2021-02-14. 2501 Pike Creek Road, Wilmington, DE 19808 - The school is not in the Wilmington city limits, as seen in a comparison with the zoning map as of February 2021.