School learning environments play important roles in students' lives. But when do these relationships form? Previous research on middle school students has identified a strong association between student socio-demographics, school characteristics, and achievement. Yet, few studies have investigated the origins of these associations. This study…

Demographic information often proves useful for finding subpopulations in educational data. Unfortunately, it is often not collected in the log files of online learning systems, which serve as one of the primary sources of data for the Educational Data Mining community. Recent work has sought to address this issue by investigating school-level…