ABSTRACT Teachers working in isolation to overcome instructional challenges are left to their own devices, but teachers working together can benefit from others' perspectives. Teacher collaboration can increase communication and open doors to increased collective knowledge and rapport. Collaborative knowledge sharing and decision-making that focus on student achievement can go far in improving instructional learning. This action research focused on increasing collaboration among members of a middle school team of teachers. Involving teachers in a collaboration development processes was intended to improve productive interactions and contribute to instructional learning as a professional learning team. Study participants were involved in an eight week professional development initiative that involved techniques to promote collaboration along with instructional learning tools to promote professional learning in regard to guiding students to high levels of cognition. A mixed methods set of data was generated including a research journal, artifacts, surveys, meeting transcriptions, and interviews. Findings concluded that focusing on collaboration contributed to positive changes in the middle school team's interactions. Setting and revisiting norms of collaboration were crucial steps in this focus, leading to increased buy-in and active participation during team meetings. Focusing on relevance contributed to multiple aspects of the team's instructional learning. Participants valued their collaborative efforts especially when they found direct links between their professional learning and their individual classroom situations. Focusing on an action plan also contributed to participants' instructional learning. Setting manageable short terms goals gave the team direction and fostered accountability. Finally, working as a professional learning team contributed to the team's instructional learning. Taking the time to meet frequently allowed teachers to share classroom experiences, assist one another, and develop professionally.