An autopsy report released by the Oklahoma’s Office of the Chief Medical Examiner determined that Nex Benedict, a member of the 2SLGBTQ community, died by suicide.
In May 2011, the case was resolved, after agreements to plead guilty to lesser charges. Five of the defendants were placed on probation, with several also sentenced to community service. The charges against a male student were dropped at the request of the Prince family.
There have been cases prosecuted:
https://en.m.wikipedia.org/wiki/Suicide_of_Phoebe_Prince
Not exactly harsh sentences:
The kids basically got away with murder.