I think Carmel, Avon, Homestead, Vandegrift, Leander, Hebron, CTJ, The Woodlands, and Round Rock will all solidly be in finals.
After that, the last 3 spots are up in the air. I would've had William Mason in as a lock, as they were a finalist last year, but they haven't participated in BOA at all this year. I do think they have a higher chance of making it in than the others I'm about to list:
Big ol' bubble for the last 3-