The Test of English as a Foreign Language evaluates the ability of an individual to understand and use English in an academic setting. It sometimes is an admission requirement for non-native English speakers at many English-speaking colleges and universities. A TOEFL score is valid for two years.
Beginner
The GMAT stands for Graduate Management Admission Test. It is administered by Graduate Management Admission Council (or GMAC) and required for admission to most U.S., Canadian, and European business school MBA programs. Also, the GMAT test result can be used for admission to business PhD program, such as Harvard Business School DBA program.
The SAT (technically known as the SAT I) is a general test of verbal and quantitative reasoning accepted for U. S. college admissions. The test is required for admission to undergraduate programs of most US universities. Many universities also require you to take SAT-II tests.