This School is no longer MSHSAA Member School. Membership Membership Type: Full Member School Type: High School, Grades 9-12 Board District: #7 St. Louis County: St. Louis City Contact Information Address: 5101 McRee Ave St. Louis, MO 63110-2082 Phone: (314) 776-3300 Fax: (314) 776-8267 School Website: https://www.slps.org/gatewaySTEM Facebook: Twitter: GatewaySTEM Instagram: gatewayjags School Details School Colors: Columbia Blue/Black/White Boys Mascot: Jaguars Girls Mascot: Jaguars Boys Logo: Girls Logo: Location Gateway High School 38.620881 -90.26889 #222 0 5101 McRee Ave St. Louis, MO 63110-2082 (314) 776-3300 Get Directions