Resort Hobis is how we started sailing. I still love them too. It's different but I wouldn't stay out on one for more than a few hours at a time.
The most popular schools are U. S. Sailing and ASA.
These are nationally certified instructors with a good program that you should even enjoy. Most of it happens on the water
so you'll like it. These really are geared more to adults so it's not like you get stuck in a class with 10 year old kids
You can take the various courses almost any place. Some are liveaboard
and can be used as a vacation
if you do the book work before you attend. It might seem like a lot to spend on training but it does get you started right. Compared to owning your own boat I think the cost on a per hour basis of actually sailing is cheaper.