Strengthening Research in Adult Education Act This bill requires the Institute of Education Sciences and the National Center for Education Research to collect data and carry out research on (1) successful state and local adult education and literacy activities that result in increased literacy and numeracy and educational attainment for adult learners, (2) the characteristics and academic achievements of adult learners, and (3) access to, and opportunity for, adult education, including digital literacy skills development. The bill also requires the institute to draw on the expertise of adult educators when developing policies and priorities relating to adult education. Finally, the bill requires that at least one research center focuses on adult education and literacy activities.