Over time kindergarten became a way to go for most American 5 year olds. Robert Fulghum wrote a book in 1989 called All I Really Need To Know I Learned In Kindergarten. It became a huge bestseller. We all need a new start and need to relearn the lessons taught in kindergarten.
Don’t hit people
Put things back where you found them
Clean up your own mess
Don’t take things that aren’t yours
These days there is a growing emphasis on pre-kindergarten which already is serving more than one million 4 year olds. A recent report from the Department of Education shows that with roughly 6 and 10 4 year olds not enrolled in public pre-kindergarten, early nurturing is very much a work in progress. I think most adults need a refressure course every few years. Be kind to one another if possible.