A member of the Grateful Dead was Tom Constanten.
Rock Hill High School -LRB- RHHS -RRB- was the first of the three high schools in Rock Hill , South Carolina .. It offers the International Baccalaureate diploma to its senior class students , as well as duel credit and Advanced Placement .. International Baccalaureate. International Baccalaureate. As of February , 2016 , RHHS has approximately 2,000 students in grades 9 - 12 .