Register for Preschool Today! 3 year old spaces are still available for the 2017-2018 school year. There is a waitlist for the 4 year old program. Register Your Child My three kids have loved this school – the best start for our children! The staff is amazing! Jonathan M. Celebrating 40 years of RKNS excellence! Facebook Feed Unable to display Facebook posts.Show errorError: Error validating application. Application has been deleted.Type: OAuthExceptionCode: 190Please refer to our Error Message Reference.