With the increasing emphasis on continuing professional development for teachers and all educational practitioners, the use of portfolios to plan, chart, and review professional development is now widespread. Drawing directly from their experience of developing portfolios and portfolio-based assessment, and from current research, this book enables the reader to design and plan a portfolio, chart and analyze relevant professional experiences, reflect critically on practice, assess performance against standards and competences frameworks, present evidence of practice and achievements, and plan their continuing professional development. There are also chapter objectives, key questions and tasks in every chapter, which adds to the practical focus of the book.