For example I created 3-4 teams and in game they are in alphabetical order, but I want to rearrange them to whatever I want to be 1st and so on. Is there a script I can use...?
no I'm fairly sure there is no way to customize the default leaderboard, but you could create a custom leaderboard.
if you scroll down on the following question they helped with making a custom leaderboard: https://scriptinghelpers.org/questions/761/what-is-the-best-way-to-make-a-custom-leaderboard