As higher education systems and institutions expand, more energy is being invested in ensuring that sufficient learning has been achieved to warrant the award of a qualification. Many commonly used assessment approaches do not scale well, and there remains a pressing need for reform. This paper distils insights from international investigations of student learning outcomes assessment, using this analysis to chart frontiers for innovation. This paper sets out principles for guiding change in this field, presents an evaluation of progress via a review of signature assessment initiatives, reviews likely facilitators and blockers and, through these analyses, derives a strategy for spurring development.