Aardvark's English forum [ Kids/Teens/Mature Teens ] - Fill-in-the-blank and multiple-choice quizzes. http://www.englishforum.com/00/

Activities for ESL Students [ Kids/Teens/Mature Teens ] - A project of The Internet TESL Journal that includes free quizzes, exercises and puzzles for students. http://a4esl.org/

Agendaweb [ Kids/Teens/Mature Teens ] - Includes online grammar, vocabulary, and listening activities. http://agendaweb.webcindario.com/

EFL Reading [ Kids/Teens/Mature Teens ] - Features ghost, horror, adventure and football stories, links and glossary. Includes exercises to test comprehension and build vocabulary. http://www.gradedreading.pwp.blueyonder.co.uk/

El Rebumbio [ Teens/Mature Teens ] - Features interactive self-correcting exercises grouped by skill. http://www.elrebumbio.org/students/english/zonaalumn.htm

English 4U [ Teens/Mature Teens ] - Has explanations how to use grammar combined with exercises and includes information and exercises about countries and cities, crosswords, irregular verbs exercises, texts and quizzes. http://www.english-4u.de/

English Banana [ Kids/Teens ] - Collection of online games and quizzes testing English grammar, spelling, writing and reading skills. http://www.englishbanana.com/

English Exercises Online [ Kids/Teens/Mature Teens ] - Interactive exercises at all levels. http://wwwedu.ge.ch/cptic/prospective/projets/anglais/exercises/

English Ladder [ Kids/Teens/Mature Teens ] - Offers 20 levels of interactive English quizzes. Requires free registration. http://englishladder.com/

ESL Discussion Center [ Teens/Mature Teens ] - Discussion forums for students of English as a Second Language. Organized by topic. http://eslcafe.com/discussion/

ESL Projects [ Teens ] - Featuring instructions and topics for English projects. http://www.nelliemuller.com

ESL Teaching through Songs [ Teens/Mature Teens ] - Worksheets using English songs to teach grammar elements. Includes articles about TESOL teaching (UK based). http://www.musicalenglishlessons.org/index-ex.htm

ESL Wonderland [ Kids/Teens/Mature Teens ] - Includes interactive listening, reading, and grammar integrated activities. http://www.eslwonderland.com/

Fiesta English [ Teens/Mature Teens ] - Features grammar and vocabulary tests for Spanish speaking students, a Spanish-English vocabulary by category section and trivia quizzes. http://www.geocities.com/suzkeadie/FIESTA.html

Global English Kids [ Teens/Mature Teens ] - Online English lessons in Korean, Chinese and Japanese. Practice speaking, grammar, writing and learn new words. [Windows only] http://www.globalenglishkids.com

Hangman Games for ESL Students [ Kids/Teens/Mature Teens ] - Hangman games for students of English as a Second Language. Organized by topics. http://www.manythings.org/hm/

Interesting things for ESL Students [ Teens/Mature Teens ] - Includes quizzes, games, and puzzles to help students learning English. http://www.manythings.org/

Internet Picture Dictionary [ Kids ] - Picture dictionary with interactive activities for ESL learners. http://www.pdictionary.com/

Karin's ESL PartyLand [ Kids/Teens/Mature Teens ] - ESL students can find quizzes and on-line exercises, a chat room, e-mail exchanges, 25 discussion forums, ESL links, and a bookstore. http://www.eslpartyland.com/students/inter.htm

Kids Corner 4 English [ Kids/Teens ] - Has grammar explanations, listening comprehension and find the mistake exercises, dictations, and stories. http://www.kico4u.de/