LSAT prep classes are a waste of money, IMO. I studied on my own and supplemented that with a tutor once a week for about 3 months.
The LSAT Prep tests should be your best friend. Do it timed. Review every wrong answer as well as those where you got correct but really struggled on. There are a ton of PT books you can find on Amazon (about $8 a pop). Make sure to use the updated PTs closer to your test date as those will be similar to your test.
For review on the logic games, I used 7sage because they has a video review of every single LG question from the LSAT. Use 7sage!
As for books, I really liked Mike Kim and all the PowerScore bibles. Logical Reasoning Encyclopedia by Nathan Fox is also good.
Steer away from anything Kaplan.
Best of luck- but after reading your post, you aren't gonna need any. You will be fine. Just make sure to find a good balance between studying and your social life. That is crucial.