We were just having this discussion on another thread. See following quote from moderator @skieurope who (if I am recalling correctly) also attended HS in the US as a foreign student.
Thread http://talk.qa.collegeconfidential.com/college-search-selection/2194928-please-help.html#latest
Also, by “foreign” do you mean you are here on a visa, or do you have a green card? For most colleges, this matters for admission chances,