http://redeafined.blogspot.com/2012/04/debunking-fourth-grade-reading-level.html http://redeafined.blogspot.com/2012/04/debunking-fourth-grad... Short version:

http://redeafined.blogspot.com/2012/04/debunking-fourth-grade-reading-level.html http://redeafined.blogspot.com/2012/04/debunking-fourth-grad... Short version: the stat is 15y old and mostly measures the unbelievably bad teaching theories (oralism, mainstreaming) that hurt a lot of deaf kids and are still being fought over.