1) While educational policymaking is more evidence-informed than in the past, the quantity and quality of educational research is still limited compared to fields like health. 2) Educational research does not satisfy all the knowledge needs of education systems and cannot, as policy and practice require value judgments informed but not determined by research. 3) Increasing educational research supply and policymaker demand for evidence-informed policies, but knowledge does not always easily reach policy; research is one among many influences on policy.