The school opened in the fall of 1973 with 650 students on a 65-acre (260,000 m2) campus. Riverside was named the 1998 Palmetto's Finest High School.
In Fall 2006, students began attending a brand new building on the same premises. As an official green building,[4] it is one of the most energy efficient and environmentally-friendly high schools in the nation and approximately 278,111 square feet (25,837.4 m2).[5]
The school has had five principals: John Durr, Wayne Rhodes, Charles "Bob" Bayne, Andrew "Andy" Crowley, and, currently, Darah Huffman.[citation needed]
Athletics
Riverside moved from Class AAA to Class AAAA following the 2009–2010 school year.
Riverside then jumped to Class 5-A for the 2016–2017 school year.