It varies. Read more to learn how kids adjust in the short and long term:
In the short-term, adjustment is typically easy because children look forward to having fun and making friends. Children may feel overwhelmed by new situations but can get used to them quickly if they are met with support from the adults who work with them.
In the long-term, adjustments take time because it's been a while since their routine or family life has changed significantly. School schedules help make transitions smoother for children by including down time between activities, such as snack time after lunch and storytime before naptime.