From the Evidence for ESSA site:
“In December, 2015, Congress passed the Every Student Succeeds Act (ESSA), replacing No Child Left Behind (NCLB) as the main federal law governing K-12 education. Within the bill are provisions with potentially revolutionary implications for education because they promote the use of federal dollars on programs with evidence of effectiveness. More evidence on what works to increase student success is available now than ever before, and ESSA encourages the use of strategies with evidence of impact.
We believe the ESSA provisions could be a giant step forward in education if they result in greater use of programs and practices with solid evidence of effectiveness.