How do leagues stack up?

DS will be senior next year. Did not play club this year and it was glorious! I don't understand the boys side, can someone give me the lowdown on the leagues from top to bottom with the addition of the new leagues? Last year (2021-2022) he played discovery and between the coach and the drive to silver lakes for every game we were all done. Honestly, he could care less about the letters of the team: just want a solid coach with solid players. Looking to play JC. For those interested the year...

How do leagues stack up?