This study describes academic literacy development during mid-adolescence, when learners need to adjust to the demands of academic discourse as a gateway to linguistic adulthood. Unlike most research to date, which is cross-sectional and detached from disciplinary content, this study provides a two-year longitudinal description of academic…

Despite its importance of academic language, research on academic language is often limited to academic vocabulary and focused on the English language learners. Informed by systemic functional linguistics, this study examined adolescents' use of academic language and the relationships between its use and students' reading ability and their writing…