Police in Saskatoon completed their search of St. Joseph high school after a bomb threat Friday morning.
No explosives were found in the building.
Police were contacted by school officials at 11:22 a.m. CST to report a phone call they received from someone making threats.
The building was quickly evacuated and roughly 1,000 students were moved to nearby buildings before being sent home.
Traffic in front of the school has been reopened.