The presence of tablets and laptops in schools has burgeoned in recent years, with $4.9 billion spent on over 10.8 million devices in 2015. Despite the large and increasingly prevalent monetary and time investments in education technology, little causal evidence of its effectiveness exists. I estimate the effect of a Math and English Language Arts tablet educational program that supplements core instruction using a randomized controlled trial in a Boston charter middle school. I find that the personalized learning technology can substantially increase end-of-year test scores by 0.202 standard deviation in Math, but find no effects for the summative English exam. For the quarterly formative exams, I find positive, but insignificant effects for Math and marginally significant effects for English. This paper demonstrates the potential of technology to enhance student learning in Math and could serve as a cheaper alternative to high-intensity tutoring for school districts without funding or labor supply for extensive tutoring programs.

In a flipped classroom, an increasingly popular pedagogical model, students view a video lecture at home and work on exercises with the instructor during class time. Advocates of the flipped classroom claim the practice not only improves student achievement but also ameliorates the achievement gap. We conduct a randomized controlled trial at West Point and find the flipped classroom produced short-term gains in math and no effect in economics. The flipped model broadened the achievement gap: Effects are driven by white, male, and higher-achieving students. We find no long-term average effects on student learning but the widened achievement gap persists. Our findings demonstrate feasibility for the flipped classroom to induce short-term gains in student learning; however, the exacerbation of the achievement gap, the effect fade-out, and the null effects in economics, suggest that educators should exercise caution when considering the model.