Contests and Competitions
The Olympiads
- Math Olympiad (USAMO), http://www.unl.edu/amc/e-exams/e8-usamo/usamo.html.
- Computing Olympiad (USACO), http://www.usaco.org
- Physics Olympiad, http://www.aapt.org/Contests/olympiad.cfm.
- Chemistry Olympiad (USNCO), http://www.chemistry.org/portal/a/c/s/1/acsdisplay.html? DOC=education%5Cstudent%5Colympiad.html.
- Biology Olympiad (USABO), http://www.cee.org/usabo/index.shtml