Nearly all students (and schools) who see consistent success at the 4A, 5A and 6A levels at the All-Region or All-State process have private lessons.

There, I said it.

Your school-day job is to teach your BAND. If you want "all-region success" then you need a staff that can do it - and/or you need to be prepared to offer before and after-school tutoring to your kids.