1. (Building) Also called: doorsill a sill, esp one made of stone or hardwood, placed at a doorway. 2. any doorway or entrance. 3. the starting point of an experience, event, or venture: on the threshold of manhood.
Definition of Reading Intervention. Reading intervention is a program, supplementary to an existing literacy curriculum, that is provided to students for the primary purpose of increasing reading levels. Such programs can be administered both in and out of the traditional classroom environment.
The Mission. The mission of the Teachers College Reading and Writing Project is to help young people become avid and skilled readers, writers, and inquirers. We accomplish this goal through research, curriculum development, and through working shoulder-to-shoulder with students, teachers, and school leaders.