No Child Left Behind puts special emphasis on determining what educational programs and practices have been proven effective through rigorous scientific research. Federal funding is targeted to support these programs and teaching methods that work to improve student learning and achievement.
Reading programs are an example. No Child Left Behind supports scientifically based reading instruction programs in the early grades under the new Reading First program and in preschool under the new Early Reading First program. Funds are available to help teachers strengthen current skills and gain new ones in effective reading instructional techniques.