tracking system. Our results show that the need to perform well to qualify for a better track raises students’ math, reading …, listening, and orthography skills in grade 4, the final grade before students are sorted into tracks. Evidence from self …

tracking system. Our results show that the need to perform well to qualify for a better track raises students' math, reading …, listening, and orthography skills in grade 4, the final grade before students are sorted into tracks. Evidence from selfreported …