The International Association for the Evaluation of Educational Achievement's (IEA) mission is to enhance knowledge about education systems worldwide, and to provide high-quality data that will support education reform and lead to better teaching and learning in schools. In pursuit of this aim, it conducts, and reports on, major studies of student…

The National Center for Education Statistics (NCES) has published a number of reports documenting the amount of time that students have received instruction in various subjects. Using more recent data and similar measures, this Statistics in Brief builds on prior reports to provide an updated look at time spent on instruction in various subjects.…

This report presents descriptive findings on school practices in 12 states for schools explicitly held accountable for the performance of the students with disabilities (SWD) subgroup. The study found that, when surveyed in 2011, elementary schools accountable for the SWD subgroup were 15.8 percentage-points more likely than never-accountable…

This report presents results of the 2011 National Assessment of Educational Progress (NAEP) in writing at grades 8 and 12. In this new national writing assessment sample, 24,100 eighth-graders and 28,100 twelfth-graders engaged with writing tasks and composed their responses on computer. The assessment tasks reflected writing situations common to…