This School is no longer MSHSAA Member School. School Colors & Logos Blackcats Black/Red boys girls Social Media DunklinR5 BlackcatUpdates Membership Full Member Combined School, Grades 7-12 Jefferson County Board District: #1 Southeast Contact Information #1 Blackcat Dr Herculaneum, MO 63048-0306 (636) 479-5200 (636) 479-2050 fax Location #1 Blackcat Dr Herculaneum, MO 63048-0306 (636) 479-5200 Get Directions