Fifteen years ago, when I discovered that many good high schools prevented average students from taking demanding courses, I thought it was a fluke, a mistake that would soon be rectified.
I had spent much time inside schools that did the opposite. They worked hard to persuade students to take challenging classes and tests, such as Advanced Placement, International Baccalaureate and Cambridge, so students would be ready for the shock of their first semester at college, which most average students attend. The results were good. Why didn't all schools do that?
I still don't have a satisfactory answer. It always comes up this time of year because of my annual rankings of public high schools for Newsweek, which is based on schools' efforts to challenge average kids as measured by participation in AP, IB and Cambridge tests.
Many school superintendents and principals who run schools that restrict access to those college-level courses and tests have disappointing results on the Newsweek list. Some of them object to my methodology. It is clear from my conversations with them that they are smart and compassionate people.
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