This School is no longer MSHSAA Member School. School Colors & Logos Celts Green/Gold boys girls Social Media Membership Full Member High School, Grades 9-12 St. Louis County Board District: #7 St. Louis Contact Information 500 Woods Mill Rd Manchester, MO 63011-4197 (636) 227-5900 Location 500 Woods Mill Rd Manchester, MO 63011-4197 (636) 227-5900 Get Directions