Originally Posted by
the King
I would suggest a 141 school if you are wanting to do more accelerated training. It allows you to get a Commercial license in 190 hours if meet the minimums, which would let you get your CFI quicker. I finished my CFI with less than 250 hours which is the total time required to get a Commercial under Part 61. ATP is 141, but I'd look for a smaller school than that. Find something you can live with.
Pretty sure ATP is Part 61.