Homeworkhelp.com - 
Provides live homework help, educational software, and services for 4th to 12th grade students, college bound students, and working professionals.
http://www.homeworkhelp.com/

Homework Center - Infoplease - 
Comprehensive source filled with information, tools, and resources in various subjects, including geography, history, language arts, math, science, and social studies.
http://www.infoplease.com/homework/

BrainMass Homework Help - 
Global community of graduate-level students, teachers, and professionals offering 24/7 academic homework help across 47 fields of study.
http://www.brainmass.com/

Jiskha Homework Help - 
Featuring homework help message boards, school assistance forums, live schoolwork experts, and educational articles in various subjects including mathematics, ...
http://www.jiskha.com/

Cramster.com - 
Get homework help from this online study community of college students and educators offering homework solutions, lecture notes, and solved exams for physics, math, ...
http://www.cramster.com/

Homework Spot - 
Simplifies the search for K-12 homework help sites, reference resources, science fair project ideas, virtual field trips, study breaks, and more.
http://www.homeworkspot.com/

Tutor.com - 
Connects teachers with students of all levels for online or in person tutoring across North America.
http://www.tutor.com/

Homework Helper - refdesk.com - 
Homework help arranged by grade and subject, for students in grades 1 through 12 and college.
http://www.refdesk.com/homework.html

Homework Help - 
Homework, homework, homework. How do you get it done? Get some tips in this article for kids.
http://kidshealth.org/kid/feeling/school/homework_help.html

Homework help, writing help, study skills, conversion ... - 
Homework Help on English, math, history, geography, science, and social studies
http://www.factmonster.com/homework/