School leaders must navigate nonacademic barriers to learning. One type of affective, nonacademic reform is social-emotional learning (SEL), a quickly growing K-12 school initiative. Yet scant empirical literature exists on the actions, interactions, and beliefs of school principals charged with leading SEL reforms. The needs of diverse learners…

Research suggests effective professional learning communities (PLCs) enhance teacher collaboration and student achievement. Within-school variation in PLC processes, however, is underexplored. This study highlights differences in teacher behavior and teams' perceptions of principal leadership in well-functioning teams versus less well-functioning…

The purpose of this qualitative study was to identify (1) teacher-leaders' descriptions of their roles and activities, (2) perceptions of characteristics, knowledge, and skills of successful teacher leaders, (3) barriers to and support needed for teacher leadership, (4) the extent to which teacher leaders helped teachers understand and respond to…