Essay I. Educational interventions that increase the quality or quantity of school resources may have a limited impact on student achievement if students lack sufficient effort or motivation. A more effective way of raising achievement could be incentivizing students to perform well in school. In this paper, I study whether students respond to non-financial incentives for higher grades, exploiting a reform in Stockholm that made compulsory school grades the sole criteria for admission to high school. Using a difference-in-differences design, I find that the reform increased students’ grade point average in compulsory school by 10% of a standard deviation on average. Estimates of the unconditional quantile treatment effects show that the ...