This document provides an abstract and introduction for a research study comparing the math learning platforms i-Ready, IXL, and Prodigy. The study aims to determine which platform has the greatest causal effect on student performance on the math portion of the National Assessment of Educational Progress. The methodology will analyze student performance data from districts using one of the three platforms and compare to control districts not using the platforms. The goal is to identify the most effective program for supporting student achievement and closing learning gaps.