Don't just look at the obvious costs. There are a lot of other factors involved.
Go to the school, see if you like the atmosphere, see if you'd feel happy there. Who are the instructors; are they experienced career instructors, or low hours hour-builders who can't wait to get an airline job? Don't get me wrong, some hourbuilders are fine. But some aren't...and can add hours and hours to your training by their bad attitude.
Also, how does the school charge - engine on to engine off, brakes off to brakes on, or tacho hours? It can make a difference of 5-10 minutes in every hour. Does the school charge home landing fees? If it's a busy airfield, how long will you have to wair for departure; that too can eat into the costs.
I'm sure there are more things to be considered which I haven't thought of; someone help me out here.
But do some visits, ask some questions, and look at the whole picture.