Hello Saleenad!

Please keep in mind that getting a good SAT score doesn't guarantee the fact that you will get into MIT. You have to go through phases of hard interviews to ensure you get into MIT. Nearly 50% of the candidates that appear SAT have a 1400+/1600 score — so scoring in SAT is not like writing the JEE which guarantees a spot in top IITs/NITs/GFTIs based on a good score/rank. Moreover, International awards as in science fairs, Olympiad medals, etc. play a crucial role in your transcript if you want to get top universities like MIT , Harvard, and other Ivy League universities.

If you are dropping a year for preparing for JEE, there is no use to beat around the bush to get MIT because preparing for JEE means you must aim for a seat in IIT. If you want to ensure if there is any problem if you drop to prepare to get MIT, then it is a question that must be directly asked to the admission office of MIT. You must have noticed that very meritorious students like Chirag Falor(Jee Main rank 1) got into MIT this year for his undergrad studies. You need staunch letters of recommendation for building your transcript too and have to qualify in the interview apart from just scoring a high score in SAT.

Hope this answer helps you get a better insight! All the best for your future endeavors:)