In the United States, how many percentages of schools have uniform by the year of 2009-2010?

The answer to this question is...
10 percent of high schools in the United States required uniforms
19 percent of middle schools
22 percent of elementary schools


We also found out an interesting fact about the percentage. It looks like it differs by where the school is.
35 percent of city schools reported requiring students to wear uniforms
19 percent of suburban schools
10 percent of schools in towns
9 percent of rural schools

"Uniforms for Public School Students? The Debate Continues as They Become More Popular - The Boston Globe." BostonGlobe.com. Web. 23 July 2015. https://www.bostonglobe.com/metro/regionals/south/2014/02/20/uniforms-for-public-school-students-the-debate-continues-they-become-more-popular/btIYoFLoizOkFpXrdEUScK/story.html#.