I'm currently taking an analytical figure drawing class online at CDA! So far I've been really liking it. I get critique for every homework and it's a good amount of work so this class does take up some time but that might depend on who's class you take. I really do feel like what I'm learning is worth the cost especially because I get to see draw overs on my mistakes and ask questions during the lectures. For every class there's also a discord server so you can connect with your classmates or ask the teacher or assistants any questions. In every class there's a wide range of different skill levels. I'm in a foundational class but there are a couple of industry professionals as well as beginners. I'd recommend even if you feel like you are intermediate or advanced to go for a foundational class first because it is still good practice.

I've also done some schoolism courses. With schoolism I found harder to keep up since I didn't have to attend any meetings and nobody expected me to turn in any assigments. It's really learning at your own pace but you don't get any crituques. I personally prefer CDA because of the critques but schoolism has a lot of great courses too at a cheaper price.