Why wait until they're 10?
Why wait until they're born?
Why wait until they're conceived?
Recruit an athletically genetically superior adult female and an athletically genetically superior adult male, get them to sign an agreement that their progeny will go to your school, and let good ole lab science do the rest !!!
Maybe some attorney out there who specializes in start-ups should give me a call. We could name our budding entity PRE-Recruits 'R Us.