The concept of "implementation fidelity" is broadly used to capture the extent to which an intervention is executed as intended by the designers of the intervention (Century, Rudnick, & Freeman, 2010; Huntley, 2005, McNaught, Tarr, & Sears, 2010, Munter, 2010). Though implementation fidelity instruments are often used to assess…

This brief outlines a systematic school-wide intervention that consistently integrates content knowledge and language and literacy development in content area curricula. The brief first describes the elements of the intervention, including implementation, professional development and coaching support, in critical content areas. It then explains…