If students tend to choose instructors with high teaching ability, a negative link between class size and student performance may remain obscured until this kind of sorting has been taken into account. Using data from student evaluation surveys, we confirm that it is crucial to control for...

This paper provides the first analysis of the relationship between the language mix of Limited English Proficient (LEP) peers and student achievement, using detailed panel data from 2006 to 2012. Percent LEP has a negative association with mathematics and reading test scores, more so for non-LEP...

This study addresses the phenomenon of permanence for long years of low performance (urban) schools, measured by SIMCE. We also analyze mobility of students to other schools of same or better quality. The results show that student's mobility rates in these schools is almost 11%. Almost 30% of...