Book excerpt: An essential handbook for educating students in the 21st century, since its initial publication A Principal's Guide to Special Education has provided guidance to school administrators seeking to meet the needs of students with disabilities. The third edition of this invaluable reference, updated in collaboration with and endorsed by the National Association of Elementary School Principals and the National Association of Secondary School Principals and incorporating the perspectives of both teachers and principals, addresses such current issues as teacher accountability and evaluation, instructional leadership, collaborative teaching and learning communities, discipline procedures for students with disabilities, and responding to students' special education needs within a standards-based environment.