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.
What is a core reading program? A core reading program is the primary instructional tool that teachers use to teach children to learn to read and ensure they reach reading levels that meet or exceed grade-level standards. A core program should address the instructional needs of the majority of students in a respective school or district.