He attends a smaller school. However, football is the one sport you can get by with athleticism. Hopefully you have been at least playing catch with him running in the park or something.
Get him involved in summer high school workouts right away. Tell him not to get discouraged if his playing time isn’t high the first year. Tell him to not be tentative. He needs to hit hard and be aggressive and they will find a place for him. His size is decent. He can bulk up. I hope he has above average speed. Tell him not to lead with his head on hits. Ever. Have fun!