An update here. Got together with a guy who coaches a youth Sporting Clays National Team.
He was all for going lefty at this age. Within an hour, he had my son busting about 60% of the clays lefty. So Left Handed it is.

"The Democrat Party looks like Titanic survivors. Partying and celebrating one moment, and huddled in lifeboats freezing the next". Hatari 2017

"Hokey religions and ancient weapons are no match for a good blaster at your side, kid." Han Solo