This article reports on a 3-year formative experiment involving the implementation and testing of a long-term, multifaceted vocabulary instruction program in fourth- and fifth-grade classrooms in three demographically distinct schools. The quantitative findings indicate that the students, across the 3 years of the project, showed accelerated…

Achieve3000 publishes a number of online literacy programs that differentiate lessons and activities based on student performance. Magnolia Consulting--an independent, third party evaluation firm--assessed Achieve3000 Solutions' impact on student learning during the 2014-15 school year. The researchers used a randomized control trial, where…