...his son was kicked off the track team for missing practices:
http://www.philly.com/philly/news/new_jersey/20130527_Father_sues_after_teen_is_dropped_from_track_team.html
Not allowing his son to participate constitutes bullying, harassment, and an "abusive school environment" in which the sophomore's rights to due process and freedom of speech were impeded, the suit says.
"I felt in a way, disrespected," Mawusimensah, 16, said Friday. "At practice, I work hard and I try to be the best athlete I can be, but at meet time, I didn't get the respect that I thought I deserved."