Schools in Clio, SC Clio Schools2635 Highway 9 EClio, SC, 295258435869391Marlboro County High SchoolPrivate Schools K 12Public Elementary SchoolsPublic Schools School of Discovery201 Jefferson StClio, SC, 295258435868376Private Schools K 12 Show MoreSee AlsoPrivate Schools (K-12)Elementary SchoolsHigh SchoolsPublic Schools