After Storm, 100% Attendance Is Not 100% Accurate - NYTimes.com
"Thursday’s citywide attendance rate, released by the Department of Education, was 44.65 percent, one of the lowest on record. The number seemed to add gravity to the question of whether Mayor Bill de Blasio and the schools chancellor, Carmen Fariña, should have kept the schools open.
But the discrepancies raised another question: Just how many children did go to school?"