The document explores the practices and challenges of instructional leadership among middle school leaders. It notes that most research focuses on principals and heads of schools, not other middle managers. The purpose is to look at the instructional leadership of secondary year heads at American international schools. It aims to explore their current practices and challenges, and develop a decision-making model contextualized for their roles. The conceptual framework examines the instructional focus, relationships, resource management, and dispersed leadership at the schools, as well as challenges like teaching, learning, and assessments.