**FILE** In this Aug. 22 2012 file photo, Claritssa Sanchez, a 10th grade teacher at Canyon Springs high school, introduces President Barack Obama during a campaign stop on Wednesday, Aug. 22, 2012, in North Las Vegas, Nev. Sanchez was the teacher who Obama said Wednesday, Oct. 3, 2012, had students sitting on the floor during the first two weeks of school, using 10-year-old textbooks.(AP Photo/Isaac Brekken)