NO CHILD LEFT BEHIND: many problems

...Let's say a teacher starts the year with a classroom full of children whose skills are woefully low, and by the end of that year most have improved tremendously. Their spring tests show them going from a rating of "far below basic" up two big rungs to "basic," one level below "proficient." The teacher and school get no credit for this remarkable achievement under No Child Left Behind. The teacher has "failed." In consequence, such teachers, and the principals of their schools, could ultimately be replaced under the law... http://www.latimes.com/news/opinion/editorials/la-ed-nclb23oct23,1,1988242.story?coll=la-news-comment-editorials