Students who struggle with vocabulary knowledge often see a decline in comprehension of content. Even students who receive strong reading instruction in the early elementary years may still experience the fourth-grade slump (Chall, 1983), which more often affects students from underserved populations. Many of those same students are also affected…

In the context of a lecture, the capacity to readily recognize and synthesize key concepts is crucial for comprehension and overall educational performance. In this paper, we introduce a tool, the Collaborative Lecture Annotation System (CLAS), which has been developed to make the extraction of important information a more collaborative and…