The Test of English as a Foreign Language (TOEFL) is a standardized test which assesses the English language abilities of students who are not native English-speakers. It is administered by ETS (Education Testing Service). It evaluates the potential success of an individual to use and understand standard American English at a college level. TOEFL is a way of assessing and demonstrating English language proficiency if your first language is not English. It is a required exam for those students wishing to begin undergraduate or graduate study in the US. TOEFL is available in over 100 countries.