students' ability and past achievement, I use instrumental variables that are derived from two allocation rules that partly … suggest that increasing instruction hours and reducing class size have significant effects on students' achievements. The OLS …

adulthood. The program led to a gradual increase in university education of the high school treated students, reaching a gain of …

schooling in Israeli kibbutzim. This pay reform, which induced kibbutz students to improve their academic achievements during … high school, spilled over to non-kibbutz members who attended schools with these kibbutz students. In the short run, peers … of kibbutz students improved their high school outcomes and shifted to courses with higher financial returns. In the …

ability distribution drive the impact of peer quality on students‟ achievements. To do so, we use census data for four cohorts … of pupils taking their age-14 national tests, and measure students‟ ability by their prior achievements at age-11. We …