I've been participating in a weekly painter's workshop for some time now and find the experience very rewarding.
The number of participants vary in number and individuals coming and going every 10 week cycle. You're always meeting new artists with different styles, tips and techniques. I find myself looking forward to Monday afternoons and forcing myself to have something to show my fellow artists and head mentor/teacher Adriano Farinella
Example from 2/8/16:
Two hours studio time, 9x12" oil on Arches Paper
If you want to expand your painting; if you want to grow; if you want learn additional methods; I'd strongly suggest an artist's workshop experience.