I run Screenwriting Tribe workshop, which I stared in 2016. To learn more about it, see the Screenwriting Tribe group page on .
I am also the author of the book "Screenwriting Tribe: Workshop Handbook for Writing and Polishing Film and TV Spec Scripts." The 2nd edition was published in 2020. Some film schools have been using the book as a text.
Screenwriting Tribe consists of several hundred writers and some actors helping writers to polish their screenplays. We focus on feature film, short film, and episodics, but we don't workshop multi-cam sitcom, musical, or slasher scripts. We meet on Sunday evenings in Santa Monica, and Sunday mornings at a bookstore on La Cienega. (During the pandemic, we have been on Zoom, and now people from a variety of states and countries participate.)
Up to 17 members may RSVP to attend the workshop. It is every Sunday at 6PM, and about every other Sunday morning at 9AM. 4 of the writers bring 12 pages of their scripts. The pages are read aloud and we give feedback.
It is a good way to workshop and polish a script 12 pages at a time, before showing a script to anyone in the industry, or before submitting to contests and fellowship programs.
It takes about 4 to 8 weeks to workshop a one-hour TV pilot, and about 2 to 4 months to workshop a full feature script.
If a writer also takes that time to study a variety of screenwriting books, read many articles about screenwriting, watch films that have won screenplay awards, study scripts that have won awards, and takes other steps to learn about the craft, they will absolutely improve their skills.
I also have been paid by producers to overhaul scripts before production.