<p>You can start at whatever level of a foreign language is appropriate for you (i.e. if you’re at the advanced level, you can just start at the advanced class). You can’t place out of intro humanities and social sciences, but they are taught at a level assuming the standard high school (typically AP) background in the subject. For instance, almost no high school students (save those who took university ec courses) could pass this Caltech introductory econ [url="<a href=“http://www.hss.caltech.edu/~mcafee/Classes/Ec11/PDF/2006Wmidterm.pdf"]midterm[/url">http://www.hss.caltech.edu/~mcafee/Classes/Ec11/PDF/2006Wmidterm.pdf"]midterm[/url</a>] or [url=”<a href="http://www.hss.caltech.edu/~mcafee/Classes/Ec11/PDF/2006Wfinal.pdf"]final[/url">http://www.hss.caltech.edu/~mcafee/Classes/Ec11/PDF/2006Wfinal.pdf"]final[/url</a>].</p>