stopped by Skool HQ the other day to hang out. We talked about Skool for 6 hours. He's doing some interesting things with his free group "Synthesizer School". He basically funnels his audience (social, email list, etc.) to his free group + mini-course. He builds a relationship with his audience in the group, and occasionally promotes his paid course. It works!
The funnel: Audience → to Community → to Customers.
If you have any questions, comment below, and I'm sure Kirby will help.
Enjoy!