This book gives step-by-step guidance about how to enter the field of secondary school teaching. It is intended for college students making choices about courses and programs of study, recent college graduates pursuing professional positions, experienced workers thinking about changing careers, and high school students planning for college. Two parts include nine chapters. Part 1, "Becoming a Teacher," presents the essential steps to preparation, certification, and employment as a middle and high school teacher. It includes: (1) "Entering a Career That Matters"; (2) "Teaching in Schools Today"; (3) "Navigating the Certification Maze"; (4) "Finding a Program That's Right for You"; (5) "Getting Accepted into the Program of Your Choice"; (6) "Succeeding as a Student of Teaching"; and (7) "Finding Your First Job in Teaching." Part 2, "Profiles and Resources," brings together essential facts from various sources in a format that prospective teachers can use when making decisions about how best to prepare for a career in teaching. This section offers: (8) "State-by-State Profiles for New Teachers" and (9) "Directory of Resources." References are contained at the end. (SM)