The suspect was described as an African American man in his 40s with bulging eyes and had a stocky build, standing about 5 feet 11 inches tall. He was wearing a grey shirt and dark colored jeans.
The man ordered the pair to put their hands on their head and started to search them.
Police said a struggle over a gun ensued and two shots were fired.
The student was wounded in the abdomen and was treated at a local hospital. His condition is not known at this time.
Authorities said the suspect may have been injured, because he was seen limping from the scene.
Anyone with information about the incident is asked to call CrimeStoppers at (919)683-1200.