"There are no reliable ways yet to evaluate teachers consistently, outside of testing, which does not necessarily capture a teacher’s worth. In addition, they say, the shift to yearly contracts will lead to hiring teachers on the cheap and will do little to attract the best candidates."
http://www.nytimes.com/2011/03/09/education/09florida.html?src=recg
http://www.nytimes.com/2011/03/09/education/09florida.html?src=recg
