Aside from classes, there are numerous events you can attend to meet new people and learn new things. Some are free, most are not. Listed here are websites which keep lists of events updated. There are a ton of things happening out there, so if you know of something great, let me know and I may be able to post information to the various channels.
ProductionHUB ~ Filter for places all over the world.
Film Independent ~ Screenings, Classes, and other events.