An 18 year old student has been stabbed outside the Scarborough Centre for Alternate Studies.
Police were called just after 11 a.m. to the school at Midland and Wolfe Aves.
Paramedics say the victim has been rushed to a trauma centre with life threatening injuries.
Police say the school was placed in lockdown and then downgraded to a hold and secure.
Police are searching for a black male suspect, 18-20 years old, wearing a red hoodie, dark pants and a grey or black backpack.
Scarborough Centre for Alt Studies at 720 Midland Ave in Lockdown.18 y/o m student stabbed outside school on property & taken to hospital.
— Toronto DSB (@tdsb) June 2, 2016
S/E Alternative School
-Midland Av + Wolfe Av
-Suspect is male, black, 18-20, red hoodie, dark pants, grey/black backpack
— Toronto Police OPS (@TPSOperations) June 2, 2016