ELLN Digital is a blended professional development course for K-3 teachers that combines self-paced online modules with collaborative learning sessions. The collaborative sessions take place in Learning Action Cells (LACs), which are school-based groups of teachers facilitated by a leader. LAC sessions focus on improving literacy and numeracy instruction through discussion of teaching strategies and children's books. Successful LAC meetings depend on factors like timely participation, group discussion, and submission of assignments.