Petra High School was started with 60 pupils in Form One in 1993, using the present Grade One and Two block at Petra Primary School, and an old Lewis Lumber shed as the Office, until later taking over the office in the Primary School Administration Block, used as the sick bay today. Tim Middleton was the first headmaster, joining the school in the third term of 1993.[3]
List of Heads at Petra
Tim Middleton (1993–2002)
Ray Pountney
Christopher Hingley
Joe Mandikate
Crispin Eley (2010–2014)
Heather Wells (2015–2019) promoted to principal (2019-Present)