A man and teen were stabbed Friday afternoon across the street from a Brooklyn high school, police said.

The two victims, a 17-year-old boy and a man in his 20s, were injured during a fight with an unknown number of others men just after 3:15 p.m., cops said.

The brawl happened in front of a Key Food at the corner of Glenwood Road and Ralph Avenue in Canarsie, across the street from South Shore High School.

The man was stabbed in the chest and buttocks and the teen was stabbed in the head, police said.

Both were taken to Brookdale Hospital and were expected to survive.