LF Help to find 5v5 ranked Communities/Academies/Organizations

Anyone able to link all the Big communities/Academies/Organizations website that take in new members. Found a few academies years ago where they made teams out of their roster had internal skrims and tournaments as well focusing on making competitive 5v5 teams. seen a few discord stuff but they are for people who want to have someone to play with, i'd like to "go pro" and try to compete in a 5v5 organised team. People have said start your own but I don't have the knowledge or time to run a team. Any help would be appropriated in pointing me in the right direction thanks in advance
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