CIA World Factbook

www.cia.gov/library/publications/the-world-factbook/index.ht

Information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world entities.

Cool Math

coolmath.com/home.htm

Learn math the fun way.

Discovery Channel

dsc.discovery.com

Explores science, health and travel.

Homework Spot: Homework Help and Science Fair Projects

www.homeworkspot.com

Brings K-12 homework sites together in one convenient spot.

Multnomah County Library - Homework Center Homework Hel...

www.multcolib.org/homework/index.html

A comprehensive directory of sites for young people; listed by subject.

Oswego City School District Regents Exam Prep Center

www.regentsprep.org

Help for high school students in preparing for New York State regents exams.

Quiz Hub

quizhub.com/quiz/quizhub.cfm

Homework help: Free Online Interactive K-12 Quiz Games (iPad-Compatible)

Sparknotes

www.sparknotes.com

Study guides (like Cliff Notes) for literature and other subjects. Full text classic books included.

The Math Forum @ Drexel

mathforum.org

Internet math resources for K-12 and college.

The Math Forum @ Drexel - Ask Dr. Math

mathforum.org/dr.math/

A question and answer service for math students in grades K-12.

Your Sky

www.fourmilab.ch/yoursky/

Interactive planetarium.