Unless you're trying to make a movie on the sly, there's no way to get around this. If you want to use public spaces, film on the streets, have the cooperation of the police, you have to have a permit.
The essence of our effort to see that every child has a chance must be to assure each an equal opportunity, not to become equal, but to become different-to realize whatever unique potential of body, mind and spirit he or she possesses.