EDIT MAIN
Plus_blue

EDUCATIONAL GAMES
http://www.starfall.com (paid version - works only at school)
http://mathfacts.imaginelearning.com
http://www.starfall.com (free version)
http://www.bobthebuilder.com
http://www.friv.com
http://www.funbrain.com
http://interactivesites.weebly.com
http://www.knowledgeadventure.com
http://www.learninggamesforkids.com
http://www.nickjr.com
http://www.pbskids.org
http://www.playkidsgames.com
http://www.primarygames.com
http://www.scholastic.com/kids/stacks/games
http://www.sesamestreet.org
http://www.sproutonline.com/games
http://www.thomasandfriends.com
MATH
LANGUAGE ARTS
https://www.turtlediary.com/games/math.html
http://jmathpage.com
http://math.easycbm.com/
http://nlvm.usu.edu/en/nav/vlibrary.html
http://www.4kids.org/games
http://www.apples4theteacher.com/math.html
http://www.arcademicskillbuilders.com
http://www.coolmath.com
http://www.coolmath4kids.com
http://www.coolmath-games.com
http://www.ctkmathgamesforkids.com
http://www.kidsnumbers.com
http://www.kidzone.ws/math
http://www.mathnerds.com
http://www.mathplayground.com
http://www.playkidsgames.com
http://www.rainforestmaths.com
http://www.sheppardsoftware.com/math.htm
http://www.funbrain.com/words.html
http://www.gamequarium.com/languagearts.htm
http://www.iknowthat.com
http://www.kidbiz3000.com
http://www.netrover.com
http://www.primarygames.com/reading.htm
http://www.teenbiz3000.com/
HOMEWORK RESOURCES
http://nces.ed.gov/nceskidshttp://www.discoveryeducation.com/students/
http://www.britannica.com
http://www.eduplace.com
http://www.factmonster.com
http://www.homeworkhelp.com
http://www.homeworkspot.com
http://www.infoplease.com
http://www.jiskha.com
http://www.kidinfo.com
http://www.kidzone.ws
http://www.mentorplace.org
http://www.nationalgeographic.com
http://www.skoool.ie
http://www.smithsonianeducation.org
http://www.washingtonpost.com/wp-dyn/kidspost
HISTORY
SCIENCE
http://americanhistory.about.com
http://www.funschool.com
http://www.history.org/kids
http://www.historyplace.com
http://www.icivics.org
http://www.kids.gov
http://www.kidspast.com
http://www.sheppardsoftware.com
http://www.socialstudiesforkids.com
http://www.surfnetkids.co
http://kids.earth.nasa.gov
http://portal.acs.org
http://www.ars.usda.gov/is/kids
http://www.eurekalert.org/scienceforkids
http://www.hhmi.org/coolscience
http://www.sciencekids.co.nz
http://www.sciencenewsforkids.org
http://resources.kaboose.com
http://www.primarygames.com/science.htm
LIBRARY RESOURCES
CREATIVITY
https://www.rif.org/literacy-central
http://library.thinkquest.org
http://www.ala.org
http://www.awesomelibrary.org
http://www.ipl.org/div/kidspace
http://www.loc.gov/families
http://www.read.gov/kids
http://www.readwritethink.org
http://www.refdesk.com
http://www.southfieldlibrary.org/kids/
http://www.storyplace.org
http://www.tumblebooks.com
http://www.worldbookonline.com
http://pbskids.org/arthur/games/crankitup
http://pbskids.org/designsquad/games/fidgit/
http://www.makebeliefscomix.com
http://www2.shidonni.com