I work for Head Start 3-5 year old Federal Program to help them catch up with their peers. It is very impressive how far many of the children come. The issue is the tail effect of the students. How long does it last. I blame the school system's non-developmentally appropriate approaches to early education students. Kindergarten is the new 1st grade. Children are sat behind desks and pushed to read and read with speed right away. It really is sad. My daughter in Kindergarten for 10 minutes of recces at the end of the day.