Those are some excellent ideas to enhance both numbers of kids and the overall quality of experience they have with the sport.
Here are a couple of thoughts I'd add:
The first idea would be indirect recruitment via increased interest in the meets. Reach out to non-sports departments like the band director, art teacher, drama/theatre club, and cheer coach (I know this is technically a sport). Getting the pep band to perform at matches adds energy and excitement as well as putting additional parents and friends in the stands. Drama club for lightning up the mat, creating showy entranc