They may of had kids who failed to qualify, but they are still top schools. I don't think any
OSU fan would argue that Georgia Tech, Southern Cal and Michigan are all better Universities right now. Heck, I think UF has a very strong academic field but I will admit that those 3 are better. If Tech, Michigan and USC think his grades are good enough to offer and come in for a visit, then his grades are likely good. I don't know HH from Adam, so I can't comment on whether or not he knows his stuff. The only thing I can say is that this is the first time I have heard that Hornsby has grade problems.
OSU let others visit in the past who had questions in terms of their grades.