This School is no longer MSHSAA Member School. School Colors & Logos Lions Maroon/White boys girls Social Media cardinalritterprep ritterprephs ritterprephs Membership Full Member High School, Grades 9-12 St. Louis County Board District: #7 St. Louis Contact Information 701 N Spring Ave St. Louis, MO 63108-3603 (314) 446-5513 Location 701 N Spring Ave St. Louis, MO 63108-3603 (314) 446-5513 Get Directions