Online Writing Lab at Purdue University
This site has handouts on subjects from commas to writer's block. One of my favorites.

Poetry 180
Billy Collins, the poet laureate of the United States Library of Congress, chooses a poem a day specifically aimed at American high school students.
Words Work Network
An organization devoted to developing and recognizing outstanding high school writing programs. Great links to other high school literary magazines.
Comics.com
All comics, all the time. Don't forget to check out the excellent selection of editorial cartoons.
Outstanding Books for the College Bound
Don't know what to read next? This list of books, developed by librarians and educators, will help you find an interesting and challenging book.
Daily Word
Play games, read about the history of English, and get a daily dose of words and word histories from Merriam Webster. This site also has an online dictionary and thesaurus.

High School Hub: English
This non-commercial site offers links to many helpful resources for English and general education. Go to their main page and you just might find help for your math or science class.
Texas A & M Writing Center
Okay, I'm a Longhorn, but this is a great site full of succinct handouts with writing advice. The audience is college students, but the process is the same, and the advice is excellent.
The Writer's Almanac
Garrison Kellior's daily history of literature includes poems, history, and selections from non-fiction and fiction works. Includes Kellior's advice "Be well, do good work, and keep in touch." Great advice and an excellent site.
McGraw Hill On-Line Poetry Terms

Family Quiz--100 Words All High School Graduates (and their parents) Should Know:
How many do you know? How many do your parents know? How will you learn the rest?
Will you learn them before your parents? Click here.