During the six-plus decades since the College Board took over the Advanced Placement program, it has ballooned from just 12,000 students in a hundred schools to 2.8 million students taking some 5 million exams in over 22,000 schools, including many [low-income] and minority youngsters… [with] organizations such as Equal Opportunity Schools doing yeoman’s work in bringing AP success to more high schools enrolling such students.