Howard County Library System In the past few weeks, almost four million children started kindergarten. While kindergarten
is compulsory in only 15 states, almost 75% of all 5-year-olds in the US attend...| Howard County Library System In the past few weeks, almost four million children started kindergarten. While kindergarten
is compulsory in only 15 states, almost 75% of all 5-year-olds in the US attend... |