POWAY — A 54-year-old man and his teenage son died after a car collision near Poway High School Friday night, sheriff’s authorities said. The crash occurred just after 7 p.m., when the man and his son were pulling out of the north parking lot at Poway High in a Toyota sedan. They started to turn left onto northbound Espola Road when they were struck on the driver’s side by a southbound Mercedes sedan, authorities said. The Toyota driver died at the scene. His son, whose age was not disclosed, was taken to Rady Children’s Hospital where he was later pronounced dead. Their names were not released.