Both players were previously on interim suspension.
Barkley was listed at No. 86 while Parsons came in at No. 17.
Thompson was named to the Ray Guy Award watchlist while Meyer was named to the Lou Groza Award watchlist.
Keys is the second three-star wide receiver to commit to the Nittany Lions' recruiting class of 2026.
Spell became the first commit to Penn State's recruiting class of 2027.
Dawkins made the watch list for the Allsate Wuerffel Trophy, while Singleton was recognized by the Paul Hornung Award.