On average in Aviation you could say, you get what you pay for. However, that does not necessarily mean the best aviation schools are the most expensive one. It also becomes a question what is the best for you. For example, it is not necessary to attend University if you want to become recreational aviator. However, even if you want to become an airline captain one day, does not necessarily mean you have to have University degree. It is also obvious that recreational aviation training schools will not be sufficient for you to fly commercially. It can be cost-effective starting point, but lessons at higher level will be required for a commercial pilot.
There are many pathways how to achieve your flying goal. This website will help you to decide what is the best option for you.