Activities for ESL Students
http://a4esl.org
Play games, take quizzes, read grammar, and practice vocabulary

Dave’s ESL Cafe
http://www.eslcafe.com
Easy to use, lots of activities, including games, quizzes, pronunciation practice, and stories

About.com ESL Guide
http://esl.about.com/homework/esl/
Quizzes and tests for different levels; employment opportunities for nonnative speakers

English Page
http://www.englishpage.com/
For all skills, lots of activities, exchange messages with other students, and ask questions

English Vocabulary Links
http://www.nanana.com/vocabulary.html
Play games, take quizzes, and practice vocabulary

Writing, Proverbs, Quotations, and English Games
http://www.nanana.com/writinglinks.html
Very good stories, games, vocabulary, and grammar practice

Purdue University's Online Writing Lab
http://owl.english.purdue.edu/
A great place to learn more about writing and grammar

Vocabulary (Greek and Latin roots) http://www.kent.k12.wa.us/KSD/MA/resources/greek_and_latin_roots/transition.html

Also, I am the Faculty Advisor for the Persian Student Society at De Anza College.
If you are interested in Persian culture, visit the web site listed below: