Visual Thesaurus an interactive dictionary and thesaurus.

Shakespeare Online with hopes of providing free, original, and accurate information on Shakespeare to students, teachers, and Shakespeare enthusiasts.

Project Gutenberg is the place where you can download over 33,000 free ebooks to read on your PC, iPad, Kindle, Sony Reader, iPhone, Android or other portable device.

SparkNotes is a resource you can turn to when you're confuzzled. We help you understand books, write papers, and study for tests. We're clear and concise, but we never leave out important info.   

Quiz Hub lists online resource for high school English students including grammar guides, a citation generator, research and writing guides, poetry resources, quizzes and games for all grade levels.

Dictionary.com is the world’s largest and most authoritative free online English dictionary and thesaurus reference resource.

Math Forum @ Drexel: Offers a wealth of problems and puzzles; online mentoring; research; team problem solving; and collaborations. Click on the Math Tools link to explore the world of online tools for understanding math concepts and “talk” with teachers who use them and developers who create them. http://www.mathforum.org 

Teacher Tube: An online community for sharing instructional videos which are educationally focused, safe venue for teachers, schools, and home learners. http://www.teachertube.com

Wolfram Math World: The web's most extensive mathematical resource, provided as a free service to the world's mathematics and internet communities as part of a commitment to education and educational outreach by Wolfram Research, makers of Mathematica. http://mathworld.wolfram.com

Mathematical Mayhem: Problem Solving Journal (Crux Mathematicorum) with publicly available issues - great for students and teachers interested in problem solving. http://journals.cms.math.ca/CRUX

Purple Math: Helping students gain understanding and self-confidence in algebra. http://www.purplemath.com

Internet 4 Classrooms:  A free web portal designed to assist anyone who wants to find high-quality, free Internet resources reinforcing specific subject matter to be used by teachers, parents and students of all ages.http://www.internet4classrooms.com 

University of Toronto, Faculty of Medicine: Science (mainly Biology) resources for hgh school teachers and students http://www.medresearch.utoronto.ca/for_highschools.html

CK12: A California-based non-profit organization striving to reduce the cost of, and increase access to, K-12 education in the United States and worldwide. A leading provider of open educational resources, CK-12 provides free and fully customizable K-12 educational materials aligned to state curriculum standards and tailored to meet student and teacher needs. http://www.ck12.org/student/

Science and Technology for Canadians: The Government of Canada has put together science resources for people of all ages. Ask a Scientist allows you to get answers from real scientists of questions you ask them. http://www.science.gc.ca

About K-12 STUDY CANADA contains resources in the Canadian Studies academic program by facilitating research, scholarly activity and education about Canada; and provides resources about regional and national communities in public, business, government and education. 

Ed Helper: A website which provides additional resources for teachers, students and parents in all subjects at all grade levels. http://www.edhelper.com