Standardized testing plays a critical role in most college admissions, so it is important to know how the tests differ and which would be better suited for you. In order to not overwhelm yourself, start preparing for the test of your choice early. Here are facts that may allow you to see the difference of the tests:

The SAT:

• The test is 3 hours long (plus an optional essay)
• The score is on a scale of 400-1600
• The questions are less straightforward
• There are 5 reading passages
• There are no science questions
• There is a non-calculator section
• A composite score can be taken of sections from various tests on various testing dates
• The essay is 50 minutes
• The essay asks you to evaluate an argument that has already been written

The ACT:

• The test is 2 hours and 55 minutes (plus optional essay)
• The score is on a scale of 1-36
• The questions are more straightforward
• There are 4 reading passages
• There is a science section
• A calculator can be used for all math problems
• Each score earned is its own
• The essay is 40 minutes
• The essay asks you to create your own argument on a given subject

Similarities:

• Both have optional essays
• Both test the same math concepts (Arithmetic, Algebra 1 and 2, Geometry and Trig)
• No penalties for wrong answers

It is recommended to take a practice test for both tests, and then decide what you like more. You may even want to take both the new SAT and ACT to see how your scores compare, and which would be a better fit for you to send out to your colleges. Once you decide this, it is best to focus solely on that test so you can maximum your score.