The announcement was made on Twitter by the Pearl High coach John Perry.
Harbaugh has committed to attending a camp in Madison, Ala., this summer, as well.
All this, of course, is on the heels of Harbaugh holding a week of spring practice at IMG Academy in Bradenton, Fla. And on the heels of his Tuesday Twitter battle with Ohio State athletic director Gene Smith and Buckeyes running back Ezekiel Elliott.
Ohio State AD Gene Smith on holding spring practice in Florida: "If we were jump starting our program, I'd probably try to do that too.