Team Ranked

So when the release of the new champion select came, along with the new season, it was said that we could still que up into a 5v5 team ranked game on Summoner's Rift. Is this still happening? Are there things needing to be worked out? Because the game as I know it is designed around two teams of 5 people communicating to achieve a goal, but how are we to test our skills at accomplishing said goal without some form of ranking system?