By Jay Matthews, The Washington Post, November 3, 2008

Jason Crocker, an educational consultant in Prince George's County, is exasperated with me and my rating of high schools, called the Challenge Index, based on how many college-level Advanced Placement or International Baccalaureate tests schools give. In response to one of my columns, Crocker vowed to refute anything nice I say about AP, particularly in his county.

http://www.washingtonpost.com/wp-dyn/content/article/2008/11/02/AR2008110201876.html?hpid=sec-education