Presents findings on academic success of early entrants to school that show children younger at school entrance often have academic problems that last throughout their school careers. Suggests changing the cutoff dates for school entrance and using better developmental assessment to determine children's readiness to enter school. (MD)

Many Americans assume children's publicly funded education begins with kindergarten. To the contrary, kindergarten is not mandated in all states. Moreover, most kindergarten programs implemented in the public education system are half-day; full-day kindergarten is far less frequent. Access to kindergarten is highly dependent on state, school…