Introduction In our rapidly changing world, in which the future is uncertain, teachers need to prepare children with knowledge, skills, values, and competencies that will support them to become life-long learners and active contributors to New Zealand’s social, cultural, economic, and environmental well-being. Such an aim implies that children should be educated in ways that support them to assume control of their own learning. to that end, they will need to develop the capability to assess their own learning and progress. Vital aspects of every teacher’s pedagogy, then, will be the ability to use assessment that builds, extends, and challenges children to see themselves as competent learners, and equip them with