Researchers found that children whose parents were involved in a New York home-visiting program demonstrated markers of academic benefits.
The Office of Head Start is allowing applicants to submit one application for programs to serve children from birth to age 5.
Several state leaders have made expanding preschool programs one of their budget-year priorities.
The U.S. Department of Health and Human Services has said that 122 programs in 35 states, the District of Columbia and Puerto Rico must show that they are delivering high-quality programs.
Two Washington-based think tanks take opposite sides on the issue, one arguing for more federal involvement, and the other for less.
The program, for four-year-olds, is poised to become the state's largest publicly-funded effort at early childhood education.
Case study explores the use of professional learning communities to help align children's educational experiences
Researchers find that some young children are exposed to as much as six hours per day
A national evaluation of Head Start found that the early learning advantages displayed by children who participated in the federally funded preschool program had mostly disappeared by the end of 3rd grade.
Investigation was triggered by problems at a military day-care center in Virginia.