English Grammar and Punctuation
www.bartleby.com.  Search elements of style, thesaurus, and more.

Literature
www.SparkNotes.com
www.PinkMonkey.com.  Heavily commercialized site requiring registration, with a 13-year-old minimum age.
www.poets.org

Math
www.mathleague.com

Science
www.billnye.com

Labs Online
www.madsci.org.  The MAD Scientist Network.

History and Social Studies
www.historychannel.com
www.thehistorynet.com
www.studyweb.com

Alabama
www.state.al.us.  Alabama Information Network
www.avi.lib.al.us. Alabama Virtual Library

Children's Web Sites
www.ala.org/parentspage/greatsites.  American Library Association

Daily Homework Help
www.ajkids.com.  Ask Jeeves for younger students
www.bjpinchbeck.com.  A student's site.
www.bigchalk.com
www.studyweb.com

Parents Helping Students
www.netmom.com
www.kidsnet.org
www.familyeducation.com