This School is no longer MSHSAA Member School. School Colors & Logos Panthers Green/Gold boys girls Social Media fznactivities Membership Full Member High School, Grades 9-12 St. Charles County Board District: #7 St. Louis Contact Information 1230 Tom Ginnever Ave O'fallon, MO 63366-4499 (636) 379-2902 Location 1230 Tom Ginnever Ave O'fallon, MO 63366-4499 (636) 379-2902 Get Directions