One aim of this article is to shift mindsets from the traditional identification of written language abilities that are "missing" in students with specific learning disabilities (SLDs) to writing assessment as the discovery of more complex language strengths foundational to success across disciplines. The multiple language-levels (MLL)…

The Common Core State Standards (Common Core State Standards Initiative, 2010) feature argumentative writing across the curriculum in grades 4 through 12, yet little is known about how young adolescents develop the challenging advanced language and literacy skills needed for these tasks. This study explored productive academic language use in the…