The document discusses the increasing role of principals as instructional leaders in schools due to accountability pressures and budget cuts. It notes that principals are now directly responsible for student achievement and no longer have assistance from curriculum specialists or assistant principals due to staffing reductions. The document examines how principals are adapting to focus more on instructional tasks like analyzing student data, observing classrooms, and facilitating teacher collaboration. It also explores the challenges of principals having to expand their instructional knowledge and manage their increasingly demanding schedules.