As caseloads for special education teachers continue to rise and as more students with disabilities enter the regular education setting (U.S. Department of Education, 2016), the need for co-teaching, in which a special education teacher and regular education teacher work together in one classroom to meet all students' needs, is significant.…

Planning is an important phase of teaching, during which teachers make decisions about various aspects of instruction that ultimately shape students' opportunities to learn. Prior research on teacher planning, however, fails to adequately describe experienced teachers' planning decisions, and is unclear about the extent to which teachers use…