Research consistently shows that teaching behaviour is a highly-important indicator of learning environments. Based on a teacher effectiveness model with six observable teaching behaviour domains (safe learning climate, efficient classroom management, clarity of instruction, activating teaching, teaching–learning strategies, and differentiation), the present paper examines the psychometric quality of the My Teacher questionnaire for capturing student perceptions of teaching behaviour in the Spanish secondary-education context. Additionally, this study validated the model of teaching behaviour and student engagement and its relevance in Spain. 7114 students of 410 teachers attending 56 public and private Spanish schools constituted the sampl...