The framework was reviewed at a key development stage by an extended QEG membership for a range of perspectives related to world regions, country characteristics and types of schools. The author would, therefore, like to acknowledge the review work kindly contributed by Elsebeth Aller, Sarah Howie, Magdalena Mok, Susan Seeber, and Sandy Taut. Julie Belanger and Megan Sim provided important inputs and recommendations from the perspective of the TALIS Starting Strong Survey, TALIS’s sibling project.