Name five big population states in America with the most students who wear school uniforms.

 We could not find the exact answer to this question, but we found an interesting fact.
Nearly one in five public schools in America mandated uniforms in 2010, up from one in eight a decade earlier.  It seems that having uniforms is not an unusual thing for public schools in America nowadays. This means that stater which have many public schools tend to have many students who wear school uniforms.

Toppo, Greg. "What to Wear? Schools Increasingly Making That Decision." USA Today. Gannett, 18 Aug. 2013. Web. 22 July 2015. http://www.usatoday.com/story/news/nation/2013/08/18/more-school-uniforms/2662387/.