Taking the SAT in middle school was a springboard for my D (now 17) to go to Davidson's THINK program for two summers. She loved THINK, and has written about her experience and how it has affected her college search in her college essays. She was just admitted to University of Chicago with a merit scholarship, and I think her essay really helped. So... it is an indirect connection to taking the SAT in middle school, but it helped her. Also, we registered her scores with CTY (but she missed the 13 year old cutoff for SET by taking the SAT a couple of weeks after her 13th birthday). She was invited to join the online COGITO chat group Johns Hopkins helps run, and that was a huge benefit to her (meeting other PG kids online). No money in that, but it was a very valuable social outlet for her.