Whether you are Franz Klammer of a bit of a Klanz Frammer a lesson is a good idea. Make sure you get a good instructor and perhaps chat with them before hand to make sure you get along with them. An hour with a repressed Ski Racer is not fun.

Equally you should have your own pre-conceived objectives to fulfill otherwise they will see themselves as glorified Tour Guides around the pistes.

http://www.esf-serrechevalier.com/

This is the only English Ski school we could find, based in Villeneuve:

http://www.eurekaski.com