SchoolsClayton High School Clayton High School - School Information Clayton High School School Details School Name: Clayton High School Shortened Name: Clayton Bracket Name: Clayton Abbreviation: Membership Type: Full Member School Type: Public Customer ID: DESE Code: 096-102-1050 Board District: #7 St. Louis County: St. Louis Organization Organization: High School Grades Served: 9-12 Genders: Boys and Girls Boarding School: No Affiliation: Full Member Designation: Normal Contact information Mailing Address: 1 Mark Twain Circle Clayton, MO 63105-1613 Get Directions PO Box Address: Phone: (314) 854-6743 Fax: (314) 854-6742 Lat/Long: 38.64963, -90.344846 Miscellaneous Boys' Nickname: Greyhounds Boys' Logo: Girls' Nickname: Greyhounds Girls' Logo: School Colors: Orange/Royal Blue School Color Dark: #004a80 School Color Light: #EC7422 Roster Team Code: (Cross Country/Track & Field) C37 Swim Team Code: (Hy-Tek) CLAY Football Conference: Sub-East Website/Social Media School Website: https://www.claytonschools.net/athletics School Athletic Website: Facebook Page: Clayton-Greyhounds-1528833830686976 Twitter Page: CHSGreyhounds Instagram Page: CHSGreyhounds_