A study demonstrated the positive impact of school ownership of the Accelerated Reader (AR) technology-based literacy program on attendance and standardized test scores at a representative sample of 2,500 elementary, middle, and high schools. These schools were compared with approximately 3,500 schools of similar geographic and demographic characteristics that did not own the software. A comparative analysis of data revealed: (1) statistically significant evidence that, on virtually every subject test (including reading, writing, math, science, and social studies), a majority of schools that owned AR performed better than socioeconomically comparable non-AR schools;