Professional development and teacher education policies have the potential to greatly affect teachers' abilities to teach and, as a result, students' abilities to learn. States can play varied roles in the provision of teacher education and professional development. This policy brief summarizes...

Increased spending and decreased student performance have been attributed in part to teachers' unions and to the collective bargaining agreements (CBAs) they negotiate with school boards. However, only recently have researchers begun to examine impacts of specific aspects of CBAs on student and...