Being promoted to center director is an incredible achievement. However, walking into that office on day one often triggers a massive wave of imposter syndrome. You suddenly realize that you are completely responsible for the safety of a hundred children and the livelihoods of your entire staff. It is completely normal to feel like you are just faking it.
The secret to overcoming this is accepting that you do not need to know absolutely everything on your first day. Your job is not to have all the answers. Your job is to be resourceful enough to find them. Lean heavily on your state licensing manual, trust the experience of your veteran teachers, and give yourself grace. Every director you admire spent their first year feeling exactly the way you do right now. Leadership is a learned skill, not an inherent trait, and the very fact that you care this deeply about getting it right is the clearest sign that you are going to be just fine.