Student scores and performance-level classifications on state tests are an important part of school accountability under federal and state governments. When schools invest in programs like Edmentum’s Study Island, they want to know that the programs work. During 2018, the Edmentum Research and Design team completed three studies set in three different districts (Reading, Allentown, and an Arizona district) that examined how using Study Island affects students’ performance on state tests. Here’s a summary of the results.