The listing below identifies the 25 Maryland high schools that send the most students to the Clark School.

Name of High School Number of Students
Name of High School Poolesville High School Number of Students 23
Name of High School Thomas S. Wootton High School Number of Students 22
Name of High School Eleanor Roosevelt High School Number of Students 21
Name of High School Montgomery Blair High School Number of Students 21
Name of High School Northwest High School Number of Students 15
Name of High School Urbana High School Number of Students 14
Name of High School Atholton High School Number of Students 13
Name of High School Richard Montgomery High School Number of Students 12
Name of High School C. Milton Wright High School Number of Students 11
Name of High School Walt Whitman High School Number of Students 11
Name of High School Walter Johnson High School Number of Students 11
Name of High School Winston Churchill High School Number of Students 11
Name of High School Archbishop Spalding High School Number of Students 10
Name of High School Colonel Zadok A. Magruder High School Number of Students 10
Name of High School River Hill High School Number of Students 10
Name of High School Quince Orchard High School Number of Students 9
Name of High School Reservoir High School Number of Students 9
Name of High School Centennial High School Number of Students 8
Name of High School Clarksburg High School Number of Students 8
Name of High School Dulaney High School Number of Students 8
Name of High School Glenelg High School Number of Students 8
Name of High School Howard High School Number of Students 8
Name of High School Pikesville High School Number of Students 8
Name of High School Severna Park High School Number of Students 8
Name of High School South River High School Number of Students 8