Your SAT score is exceptionally important. It’s probably the second most important factor in getting you recruited (GPA being the first).
There are no tricks to getting a high score on the SAT or ACT. However, if you really want to do your best, it is recommended that you take a prep course. These courses will often increase your overall score by several hundred points, and that can mean the difference between you getting recruited or not.
Example: You get a 1000 on the SAT. You then take the prep course and later score a 1250 on the SAT. If you have over a 1200, many Ivy League schools, which are D1 football programs, will the look at you to play football for their school if you meet their other criteria (talent, ability, character…).