What happened at Wednesday, April 7:
A day student tells a St. John's-Ravenscourt teacher about the alleged assaults, who then tells the senior school principal.
Thursday, April 8:
Four male boarding students are suspended in connection to the allegations.
Friday, April 9:
SJR parents receive a letter telling them they had information suggesting "students were assaulting other students in boarding." It instructs them "there is no evidence to suggest that this is part of any long-running hazing practice." The letter tells parents about the four suspensions, and that two of those students were referred to the school's disciplinary committee.
Wednesday, April 7 until Sunday, April 11:
School officials contact their legal counsel and parents of the children involved. The school's senior school principal conducts an internal investigation.
Sunday, April 11:
The senior school principal goes to a police station to report her findings.
Tuesday, April 13:
The school's head says he can't comment on allegations of sex assault, saying the incidents happened last fall involving a "range of behaviour (that) goes from bullying to assault." The police do not confirm a sexual assault investigation, but say the child abuse unit is in charge. Two boys leave the school after they appear before a disciplinary committee and school officials recommend expulsion.
Wednesday, April 14:
The Free Press reports there are at least two male victims involved in a sexual assault investigation. Reports emerge that as many as 15 boys were targeted last fall in a series of incidents. The school's head says there are at least four victims, but does not confirm the investigation involves sexual assault.