So here's my tips for center time:
My students are divided into five groups of 3-4 students. Each group is a certain colored bear. For example. I have purple bears, blue bears, green bears, etc. Each group knows where to go because I put their color bear in their center. Each day, I just rotate the bears.
My center baskets are also labeled with the same numbers. When we set up, the kids just take the basket with the number 1 on it to the area with the number 1 and set up the contents of the basket.
Center time can be crazy!! This little bit of organization helps me a ton.