– The purpose of this paper is to make the case for the novel use of lesson study (LS) for assessment purposes, in addition to its typical use to develop teaching and for professional development. The specific use of LS for assessment in this paper is for pupils experiencing learning difficulties in order to enhance understanding of their needs.
– The paper explains briefly the origins and principles of LS and draws on evidence from various studies for why and how it can be used for assessment purposes. The key role of formative assessment in the LS process is connected to the parallel developments of dynamic assessment and the response to instruction approach to the assessment of pupils with learning difficulties.
– The paper concludes with an account of how the assessment use of LS can be translated into practical assessment procedures.
– The value of the paper is in the original and explicit explanation and justification of the use of LS principles for formative assessment of pupils with learning difficulties.
