Dr. Roger Skinner, the regional coroner for eastern Ontario said the inquest into the 18-year-old's death will examine the circumstances surrounding the event and make recommendations aimed at preventing similar deaths.
On May 26, 2011 Leighton, a student at Mother Teresa Catholic High School, was making a barbeque in shop class and was cutting a drum with a hot tool when there was an explosion.
He died and several others, including the shop teacher, were injured.
The date, location and presiding coroner have yet to be determined.
Leighton's parents have made repeated calls for a provincial inquest into the incident.