TOEFL is the Test Of English as a Foreign Language. This exam is a must if one wants to apply for any university in the US and even in Canada. The TOEFL is written, developed and administered by the Educational Testing Service (ETS). The test is used as a measure to judge the ability of non-native speakers of English to use and understand North American English.
TOEFL evaluates a speaker on all four grounds necessary for effective communication that is reading, writing, speaking and listening.