How can parents determine whether their child is mature enough for kindergarten?

Originally a full-time preschool teacher, Dr. Rene Hackney now holds a Master?s in school psychology and a PhD. in developmental psychology from George Mason University. She trained at the Developmental Clinic at Children?s National Medical Center and for the public schools, teaching in parenting programs at each. She has also acted as a consultant to several area preschools.For the last four years, Dr. Hackney has owned and lectured for Parenting Playgroups, Inc, a parenting resource center and preschool classroom in Alexandria Virginia. She has offered workshops to a wide range of parent, teacher and social work groups during this time. Workshop topics include eight hours on positive discipline techniques, five hours on early academic issues and common issues such as sibling rivalry and potty training. All workshops provide well researched lecture, in-class practice and open discussion time. Additionally she hosts a monthly parenting focused book club and fun play programs to introduce the preschool setting to young families.Dr. Hackney is married and has two young children of her own.