Teacher collaboration is a research area that focuses on the ways in which teachers work together to improve student learning outcomes. This may involve various forms of collaboration, such as co-planning lessons, sharing resources, giving feedback to each other, and discussing teaching strategies. Research in this area often explores the benefits of teacher collaboration for professional development, student achievement, and school improvement. Additionally, studies may examine the factors that contribute to effective collaboration among teachers, such as school culture, leadership support, and communication channels.Overall, teacher collaboration is seen as an important component of effective teaching practices and school improvement efforts.