The Effects Of Teachers Unions On American Education

Andrew J Coulson wrote a paper on The Effects Of Teachers Unions On American Education that ran in the CATO Institute Winter Journal 2010.
I can simpathize with those that don't want to read a 16 page paper with a ton of statistics in it - so if you go to page 12 you can see the summary of his findings.  I do suggest you at least glance at the paper to see the staggering amount of money the NEA & AFT have spent on maintaining their political power.