Do you believe measures need to be taken to ensure newer players are more prepared for ranked play when it comes to things like champion pools, available rune pages (two is not enough to cover AD champs, AP champs, tanks, and some junglers or supports!), and even basic game knowledge?
Personally, I know that I will probably never be higher than Gold, but as someone who strives, season after season, to climb out of Silver, I find myself in so many ranked games with people who do not own many champions, do not have appropriate rune pages, and do not understand what many would consider the fundamentals of the game. It's incredibly frustrating, and definitely contributes, I believe, to toxicity in League when players are teamed with obviously new and oblivious players in ranked games. Maybe this only affects players in and around Silver, but it has definitely been my experience.
In addition to more/easier access to champions, runes, and rune pages, I'd like to see more tutorials, perhaps in-game exercises or a required number of normal games that players need to complete before being able to queue for ranked, with refreshers being necessary if they drop divisions.