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. The TOEFL test is developed and administered by Educational Testing Service (ETS), which sets the questions, conducts the test, and sends each examine the score report.
Often, students are confused if they need to prepare only for TOEFL or other exams are also required for admission to the US and Canadian universities. How many exams you need to prepare completely depends on the type of course you are applying to. 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 round 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.