A teacher plays multiple roles in the classroom. She not only facilitates learning but also assesses what is being learned or imbibed by the learners. The mechanism of assessment is elaborate. It demands thorough knowledge and skills of this field. Keeping this in view, teachers are made abreast of nuances of assessment, its guiding principles, tools and techniques during their teacher education programs. This book covers the topics that are essential for a teacher to ensure that assessment for, of, as and in learning remain paramount. This would help all future teachers to practice assessment procedures more confidently.