Imo it'll be
Ast > Sch > Whm
Then after Ast nerf due to unbalanced potency etc
Sch > Ast or whm > Ast or whm
For end game stuff.
That is if they don't do MAJOR overhauling rework stuff.

So don't sweat it you'll get ur time to shine as a weeee sch lol
WHM supremacy > lol
Jk