They are the schools Mayor de Blasio doesn’t mention. At 32 city elementary and middle schools, the average English-math proficiency rate on state exams has not exceeded 10 percent of students for four years in a row. Seventeen of these schools — which enroll nearly 10,000 kids — have been part of the mayor’s signature Renewal program, which has spent $582 million on teacher training, social services and an extra hour a day of instruction. Four did so poorly that the city Department of Education closed them in June. ... Families for Excellent Schools, a pro-charter-school group that analyzed the test...