Ultimately how a high school coach decides to defend ball screens (or shapes their philosophy at all) is way different than its done in college, because high school coaches (I know you dont need me to tell you this) have to roll the ball out with the roster theyre given, whereas college coaches can recruit to fit their style.

So while I might have issue with MYs ball screen defense, it is primarily due to a potential ability to recruit athletes to play it a better way.

So if I were giving a high school coach advice, I would need to know the makeup of your roster, how mobile are your bigs? Do you even have bigs? Are you more athletic than your opponents? Are you bigger? Smaller? How is their general IQ as a team in picking up concepts? Do you have physical guards? Do you have scoring guards who cant really defend? Who do you really need to protect defensively?

All of these questions go into the philosophy you have as a coach, and for high school coaches this can be a year to year thing.

For a system coach, you have all these questions answered already and you recruit to that style. For a coach like Buzz who just wants the best players he can get, then he has to tweak his philosophy more from year to year.

This is a very long-winded answer that doesnt really answer your question, but I guess theres just a lot that goes into something as (seemingly) small as defending ball screens

TLDR: I would need to know more about your personnel to give proper advice on ball screens