The ATC manual and the YouTube tutorials are things that you should definitely have a look at
https://community.infiniteflight.com/t/atc-manual/339460?u=timshan05
Excluding the bits on radar as you won’t be tested on them
If you make an ATC tracking thread then you can get people to fly patterns for you and then give you feedback on your controlling
And Darius links the recruiting below 👇
All the information you need to know about the recruiting process is there