The goal of this study was to further evaluate the impact of IXL on learning outcomes in math and ELA. Using a quasi-experimental design with matched treatment and control groups, we analyzed data from 296 public schools in Colorado during the 2018-2019 school year. The analysis of IXL Math included 186 schools (93 treatment, 93 control), and the…

Student achievement is not progressing on mathematics as measured by state, national, and international assessments. Much of the research points to mathematics curriculum and instruction as the root cause of student failure to achieve at levels comparable to other nations. Since mathematics is regarded as a gate keeper to many educational…

This study measures performance frequency of leadership tasks of approximately 20 percent of Colorado's principals. Principals most experienced do not differ from others on the frequency assessment scale, yet spend more time on instructional leadership activities, which range from teacher support (professional growth opportunities, rewards) and…