"My defensive back coach played college football with one of the coaches on the staff," Carlson said.
He continued, "It was just really exciting, I didn't expect it at all -- I just got called out of class to the pretty big news to start out my day."
On top of Toledo, Carlson has heard from several other schools.
"I have only really gotten letters from Princeton and I have received a letter from Harvard," Carlson said.
Check out his mid-season film below.