The rapid expansion of charter schools reflects a growing interest in education reform and school turnaround efforts across the United States. However, national research on charter school performance remains inconclusive. Of particular debate is the impact of transferring from a traditional public school to a charter school on student achievement…

With hundreds of K-12 schools routinely offering online courses, the idea of a full-time virtual school is no longer as outlandish as it once may have seemed. Thanks to giant improvements in technology and the quality of their academic instruction, most virtual schools now hold a trump card they had not possessed: credibility. "There were…