No, they should play golf, tennis, and gymnastics in their private clubs and on MS teams until they are actually in 9th grade! Go do club/private events. If they are phenoms in 8th grade, they will also be in 9th grade as well. There are plenty of competitive events outside of school to keep them honed until they can play Varsity sports in high-school. If all the kids did this, MS sports would be more competetive and on age