High school football players in Texas and Florida were using anabolic steroids in the 1960s. So maybe a few more 60+ years later in the 2020s.
1960s: Steroid Programs for Football Players, Preps to Pros (Final in a Series)
Steroid programs were underway in the AFL along with the NFL, and at colleges and high schools in the early 1960s, as revealed by news evidence formerly buried in microfilm.
thinksteroids.com