In 2020-21, Pettiford helped South Granville High School to a 12-4 record, averaging 19.8 points, 6.4 assists, 4.7 rebounds and 2.3 steals per game under coach Jake Wohlfeil. A native of Durham, North Carolina, Pettiford’s performance earned him N.C. Basketball Coaches Association All-State honors and he was also named to the North Carolina roster for the 2021 Carolinas Classic All-Star Game. Due to health concerns associated with COVID-19, the 2021 Carolina Classic All-Star Game was cancelled.
Pettiford is South Granville’s all-time leader in scoring with 1,944 career points, assists (615) and steals (288). In 2019-20, he set the school season records in points (677), assists (230) and steals (95). While at South Granville, Pettiford was part of two conference championships, two conference tournament titles, two conference player of the year awards and a school-record 79 wins.
As a junior Pettiford earned all-state honors where he averaged 21.8 points, 7.4 assists, 6.0 rebounds and 2.9 steals in helping South Granville to a 30-1 record and the NCHSSAA Class 2A state semifinals. His sophomore year he averaged 19.4 points, 5.5 rebounds and 2.3 steals.
Per 247Sports.com, Pettiford is the No. 5 overall player in North Carolina and the No. 14 point guard nationally.