At a recent meet in Ohio, two post-high school athletes competed in the high school mile. So... a friendly reminder that marks achieved in a race that includes collegiate or post-high school athletes can't be used as a state qualifying time. And not that it happens in PA in sub-freezing weather, but outdoor marks can't be used either. It is in bold on the entry information on the PTFCA site.
http://ptfca.org/Forms_Indoor_StateTrackField.htm