Friday former Nitschmann Middle School principal John Acerra told a judge he's guilty. WFMZ's Joscelyn Moes. The plea keeps this case from going to trial. Now ... the former Bethlehem School ...

Former Nitschmann Middle School Principal John Acerra says he's getting better but for now,he'll stay in a jail cell. He's been sentenced to two to four years in prison on drug charges.