To register: 
A)  Stop in the Guidance Office for a packet
(or) 
B)  Sign up on-line at www.actstudent.org. 
     1) Select "Sign up now!"
     2) Start your registration
With online registration, you can complete your registration 24/7; you can get your admission ticket sooner; and have access to the most up-to-date list of locations so you can get the best choice of test centers. 

FREE online ACT/SAT testing site that may be helpful to you.
This web site basically is dedicated to helping students prepare for college with video clips and activitites. The test prep feature includes tutorials and interactive practice sessions along with a vocabulary builder. Take a look at www.KnowHow2GOWisconsin.org