The concept of readability has had a variable history, moving from a position where it was considered as a very important topic for those responsible for producing texts and matching those texts to the abilities and needs of learners, to its current declining visibility in the education literature. Some important work has been coming from the USA…

Today, English language learners (ELLs) represent an increasing proportion of U.S. middle and high school enrollment. As a result, mainstream content-area teachers are more likely than ever to have ELLs in their classrooms. At the same time, education policymakers and researchers are increasingly calling for improved academic literacy development…