some students to a total of about two thirds of a year less of schooling while enrolled. I show that the short school years … led indeed to shorter schooling for affected students. Using comparisons across cohorts, states, and secondary school … number of students attending the highest secondary school track or earnings later in life …

some students to a total of about two thirds of a year less of schooling while enrolled. I show that the short school years … led indeed to shorter schooling for affected students. Using comparisons across cohorts, states, and secondary school … number of students attending the highest secondary school track or earnings later in life …

greatest number of NMS students …

collected from students who entered the treatment and 50 control departments during a 15 year period that spanned the start of …