More than 61 percent of Indiana’s schools received A or B letter grades for the 2011-2012 school year, Superintendent of Public Instruction Dr. Tony Bennett announced at today’s State Board of Education Meeting. In total, 40.9 percent of schools earned As, 20.1 percent of schools earned Bs, and 20.3 percent of schools earned Cs. Only 18.6 percent of schools earned D or F grades, similar to last year’s percentage and lower than in the 2009-2010 school year.