Despite the important role of strategies in language learning, they have not been afforded much attention in the development of language proficiency scales. This study, situated in a nationwide project of developing China’s Standards of English language ability, presents in detail the development of a reading strategic competence scale for Chinese tertiary EFL learners, including determining the descriptive scheme, establishing the descriptor pool, constructing a preliminary scale by panel experts, and validating the calibration by Rasch Model...