Stand and Deliver: Effects of Boston's Charter High Schools on College Preparation, Entry, and Choice
利用入学抽签数据，研究发现波士顿特许高中显著提高了学生的高中毕业考试通过率、SAT分数和大学先修课程参与度，并促使学生从两年制转向四年制大学。
We use admissions lotteries to estimate effects of attendance at Boston’s charter high schools on college preparation and enrollment. Charter schools increase pass rates on Massachusetts’ high-stakes exit exam, with large effects on the likelihood of qualifying for a state-sponsored scholarship. Charter attendance boosts SAT scores sharply, and also increases the likelihood of taking an Advanced Placement (AP) exam, the number of AP exams taken, and AP scores. Charters induce a substantial shift from two- to four-year institutions, though the effect on overall college enrollment is modest. Charter effects on college-related outcomes are strongly correlated with gains on earlier tests.