http://fyi.cnn.com/2001/fyi/teachers.ednews/11/20/science.scores.ap/index.html
This seams to indicate that only 1 in 5 high school students have a solid grip on the Sciences. Looking at most of the people here at FIRST I think that a good majority of the sciences. This is also another reason why FIRST can be used as a perk in places, using this data, and be able to teach students about the sciences.