I've only seen a few outside of PR - which would be a different set of circumstances I'm sure. One was an Army commit which is a massive commitment that likely ends in the Middle East.
Another was actually very interesting. A late bloomer who only threw 8 innings in HS baseball last year as a reliever. Apparently did well at Jupiter. He had a commitment to a very expensive private school which I'm fairly confident doesn't provide many scholarships.
I probably would have went juco in both those cases, but I also don't know the situation at home. Kid on our travel team signed last year for nothing. He pretty much had a free ride to a CWS team after fin aid. Word was he wanted to help his family out right away which I can't knock the kid on.