Dr Eva Hartell is an experienced STEM teacher and holds a PhD in the area of classroom assessment. Her doctoral thesis concluded that affordance for teachers’ assessment practices must be increased. She has been very fortunate to work together with teachers, schools, and municipalities conducting practice-based research during her doctoral studies and afterwards as well. She is currently working with research and development, in the municipality of Haninge and at KTH Royal Institute of Technology, in Sweden. Her interest is to develop instruction in order to bridge teaching and learning in K–12 classrooms.