SAT registration on the web: http://sat.collegeboard.com/home

ACT registration on the web: http://www.actstudent.org/regist/index.html

Below are the upcoming SAT/ACT dates and registration deadlines (“late registration” costs extra).

Also note that one can always show up on the date of the test and attempt to take the test “stand-by.”  Usually, but not always, one [...]

The ACT is an alternative to the SAT.  Here is a link to the registration page on the ACT web site.

People ask:  Should I take both tests?