As the manufacture of clear plastic book bags we are very interested in our schools and in our kids. A recent study published in The Journal of Experimental Education revealed a startling statistic: On average, today’s American high school students get about 3.1 hours of homework each and every night. This number is a little startling to a lot of adults, whose own memories of a homework load were a lot less heavy. Things have changed, and in order to be competitive with a world rapidly outstripping the U.S. in math and science many schools are piling on the extra…