Below is a report from eSchool News. A quote from the article is somewhat unsettling:
Just 31 percent of students were considered proficient or better on the test, the data show.
(If the link does not work, copy and paste this URL into your browser: http://www.eschoolnews.com/2012/05/10/study-eighth-grade-students-still-lag-in-science/)
If you want to go directly to the publication addressed, The Nation’s Report Card: Science 2011, click on this link or copy the URL into your browser: http://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2012465