The body of Gary Porter, 81, of Dunmore, was discovered on Aug. 27 at Dunmore Elementary Center at 300 W. Warren St. in Dunmore, Lackawanna County Coroner Timothy Rowland told Daily Voice.
His death took place one day before the new school year began on Aug. 28.
Rowland said he has not issued a ruling on the cause of death pending a police investigation.
The custodian passed away while working the night shift at the school, Superintendent John Marichak said in a letter posted on the district's website.
Police and medical personnel responded and opened an investigation, Marichak added.
Click here to follow Daily Voice Bensalem and receive free news updates.