Academic vocabulary

This page has links to academic word lists and quizzes based on them.
Simple English Wikipedia's version of the Academic Word List. Highly recommended for ESL students.
A complete list of English prefixes and suffixes, with their meanings.
The link takes you to the academic vocabulary section of this website, with lists and hundreds of quizzes.
An excellent site for older and more advanced students. It contains alternative word lists and advice on everything you need to know to achieve academic success.