The SAT and ACT are both standardized tests and hold equal importance. No one test has a higher preference for the other. Therefore, a candidate stands an equal chance of getting admission into a college based on his/her SAT or ACT score.

Howeve...

SAT-prep classes will anytime be preferred to self-studying. Not that it means you cannot self-study SAT, it just means you don't have to take the pain to find ways to study.

Moreover, besides SAT, a candidate has a lot on his/her plate and self...

SAT requires 3-4 months of extensive preparation if you want to ace your SAT exam. An Indian aspirant can take the SAT 4 times a year and no one wants to take the exam that many times. So, why not prepare for it and crack it in one shot?
For the l...