College Board - to register and learn more about the SAT
Quizlet - flashcards, quizzes and more for the SAT
Quizlet - flashcards, quizzes and more the ACT
The ACT - to register and learn more about the ACT
The Prep Factory - PrepFactory offers students a series of tutorial videos and written tips to help them prepare for both tests. After completing a tutorial students can test themselves in a series of practice questions. Each question set is timed and and limited to chunks of ten questions at a time. Students can earn badges for completing tutorials or question sets.
IneedAPencil_- free SAT Prep http://ineedapencil.ck12.org/