Gregory P. Mango A 15-year-old boy was stabbed around 8 a.m. Wednesday, just blocks from the August Martin High School campus in South Jamaica, cops said. Gregory P. Mango The broad-daylight ...

A 15-year-old boy was stabbed in the chest just blocks from a Queens high school campus Wednesday, cops said. The teen was knifed at the corner of Baisley and Guy R. Brewer boulevards in South ...