Class type is the most useful way to narrow first
If you are not sure where to start, filtering by what a class actually does is more productive than filtering by technique or by school reputation. Scene study, on-camera, audition technique, and improv are four different activities that happen to share a profession, and the right one depends entirely on what is currently in your way.
Matching the class to the problem
If you have never trained, improv level one or a foundational technique class is the usual entry. If your work is solid in the room but does not survive the camera, take on-camera. If you audition often and rarely book, the gap is probably audition technique or cold reading rather than acting. If you are booking and want to be good on the day, film and TV classes teach the shooting day itself. If you feel generic or stiff, voice and movement are the unglamorous answers that work.
What these pages list
A school appears under a class type only when its own published materials say it offers that class. Each page shows how many of those schools publish pricing, accept beginners, offer an audit or trial, and require an audition, all counted from the verified records rather than estimated.