The National Study of English Learners and Digital Learning Resources conducted by the U.S. Department of Education, Policy and Program Studies Service, on behalf of the Office of English Language Acquisition and the Office of Educational Technology provided the first national data on how educators across the country are using educational…

Progress in International Reading Literacy Study (PIRLS) provides international comparative data about students' reading achievement after four years of primary schooling, while also measuring trends over time, monitoring curricular implementation, and identifying promising instructional practices. Conducted on a regular 5-year cycle, PIRLS has…

The Programme for International Assessment of Adult Competencies (PIAAC) will establish technical standards and guidelines to ensure that the survey design and implementation processes of PIAAC yield high-quality and internationally comparable data. This document provides a revised version of the technical standards and guidelines originally…