Heello,

The SAT is a globally recognized college admission test, administered by the College Board, that lets high school students show colleges what they know and how well they can apply that knowledge. Most students take the SAT in 11th or 12th Grade, some even earlier, in 10th Grade. Almost all colleges and universities in the United States, and many colleges worldwide, use the SAT to make admission decisions.The SAT tests skills taught in high school classrooms: reading, writing and math. A student’s knowledge and skills in these subjects are important for success in college and beyond. The SAT is a fairly long exam – 3 hours and 45 minutes in duration, and made up of 10 sections

TOEFL is the most popular English proficiency exam accepted at North American universities. The full form of TOEFL is Test of English as Foreign Language. TOEFL tests the international students’ usage and understanding of North American English as it is spoken, written and heard in college and university settings.For all undergraduate courses in the US and some in Canada, you need to prepare for SAT. For MBA courses GMAT scores are a requirement; similarly, for MS courses GRE scores are relevant. Along with all these exams, you have to take either IELTS or TOEFL.

TOEFL test is conducted around the year and has more than 50 test dates per year. You can retake the test as many times as you wish, but to take a re-test you have to wait for a 12-day period after attempting the first test. 

 Take the TOEFL test 2 to 3 months before your earliest application or other deadline so your scores arrive at your institutions or agencies in time. Find application deadlines by checking each score recipient's website. Register 3 to 4 months before the test date.

hope this helps you !

all the best !