In a previous OECD review of evaluation and assessment in Denmark, Shewbridge et al. ( It could draw on the professional teaching standards that Denmark once these have been developed, but also take school-based indicators and criteria as well as school objectives and contexts into account. It can be low-key and low-cost, and include self-appraisal, peer appraisal, classroom observation, and structured conversations and regular feedback by the school principal and experienced peers.