Here are the test dates for the ACT in 2011-2012. As college counselors, we have seen students wait until the last minute to register to find that there are no spots available. So EduPlan recommends that you make sure to register for the test at least five weeks in advance to secure a spot at your preferred test center. You might be able to register up until the last minute, but you risk finding that your test center is full.
ACT Dates 2011-2012