Includes bibliographical references and index.

Why clarity? -- The clarity problem gaining clarity -- Gaining clarity : crafting learning intentions and success criteria -- Gaining clarity in action : voices from the field sharing clarity -- Sharing clarity : co-constructing success criteria with students in order to establish clear learning expectations -- Sharing clarity in action : voices from the field assessing with clarity -- Assessing with clarity : creating opportunities for students to respond -- Assessing with clarity in action : voices from the field -- Feedback with clarity -- Feedback with clarity : gathering and using student feedback -- Feedback with clarity in action : voices from the field -- Clarity in collaboration -- Clarity in collaboration : students and teachers sharing learning and progress -- Clarity in collaboration in action : voices from the field.