M.W.
Hi D.,
My 4 yo goes to a preschool over here by us (woodland hills) called Childs World School. They also have one in Encino. It's a really great school. I just love it. My now 10 year old went there all the way through Kindergarten and my little one has been there since she was 6 months. They have a great summer program with lots of activities and water play. Good luck with the move!
http://www.childsworldschool.com/