SAT and ACT are 2 different tests from 2 different companies.  Most colleges will accept either test.  Speak to your counselor for specific information about your specific situation.

View list of SAT test dates and register

View list of ACT test dates and register

Here are some free resources to help you prepare:

• Studypoint (Look on the right-hand side and click on parents of sophomores, juniors, etc.)

• Full-Length practice tests

• Free ACT Test Prep

• Free Act Practice Tests