billion in American high schools, helping to open about 1,000 small schools-most of them with about 400 kids each with an average enrollment of only 150 per grade, About 500 more are on the drawing board.
出自-2012年6月阅读原文
英语六级真题
If you look at who enters college, it now looks like America," says Hilary Pennington, director of postsecondary programs for the Bill & Melinda Gates Foundation, which has closely studied enrollment patterns in higher education.