Houston police officers responded to reports of a teenager stabbed near the 6000 block of Westpark Drive around 3:50 p.m.
Investigators say a 14-year-old boy was standing in the Southwest Middle School parking lot when a light colored sedan with multiple people inside pulled up.
According to reports, a "known juvenile suspect" exited the vehicle and stabbed the 14-year-old multiple times, and fled the scene.
The victim was transported to Texas Medical Center in critical condition.
Anyone with information is asked to contact Crime Stoppers.