“…Lesson Study has been demonstrated to enhance collaboration and cooperation across various STEM subjects, both for teachers and students: Lesson Study has been conducted within the subjects of physics (Capone et al, 2022), biology (Allen et al, 2004), chemistry (Conceição et al, 2019) and, as a large focus of Lesson Study work, in mathematics (e.g., Lewis and Perry, 2017;Clivaz et al, 2023;Vermunt et al, 2023). It is necessary, however, that teachers maintain fidelity with the Lesson Study model for impacts to teacher and student learning to be achieved (Bjuland and Mosvold, 2015;Lewis and Perry, 2017;Seleznyov, 2019).…”