https://www.cms4schools.com/news_rss.cfm?detailid=831648&memberid=914 Neenah Joint School District - Four-Year-Old Kindergarten en-us https://www.understood.org/en/articles/how-to-know-if-your-child-is-ready-for-preschool https://www.webmd.com/parenting/features/my-child-ready-preschool https://www.rasmussen.edu/degrees/education/blog/preschool-readiness-signs/ https://www.cdc.gov/ncbddd/actearly/milestones/milestones-4yr.html