TOEFL is appeared by students who want to pursue their studies from the USA and those who are from Non-English speaking country. TOEFL evaluate your skills in Listening, Speaking, Reading & Writing.
TOEFL it Facts
Internet based test, Maximum score 120 points (each section weighs 30 points)
Test duration is 4 hours
Scores are valid for 2 years
Find more information on http://www.toefl.org