Apple Seed shoots are directed at teaching marksmanship fundamentals. While there are youngsters (with their parents) at most shoots, it is not age specific. Few 10 year olds are going to shoot the long range portions. Find someone running an Apple Seed near you and talk with the, Also hunt up your STATE Rifle Association to check for matches and clinics in your state.
FWIW, I moved to a state that required me to complete a Hunter's Ed course- and wound up as one of three adults in a class of about 35 (sponsored by the local 4-H club) Actually enjoyed that class. Average attendee was about 13, and about half girls, half boys. THOSE were our next generation of hunters and shooters,
What we have here is... failure- to communicate.