social networking sites for students to share assignments ,ask questions and discuss !!!

AlumWire - AlumWire has been created to assist college students, alumni with
professional opportunities.

B4Class - A social network for high school and college students.

Campusbug - A college student social networking website.

CampusRank - CampusRank members select and rate their old school friends and group
them into various categories.

College.com - An online community for college students.

CollegeMedium.com - A student classifieds website for buying and selling items, jobs search etc.

College Tonight - A great place to meet fellow college students and alumni.

DormItem.com - A local classifieds listings for schools in various cities.

Graduates.com - A social networking site assisting graduate school students to stay in touch post completion of course.

Half.com - A leading student market place for buying and selling textbooks at discounted prices.

iHipo - An international community for college students and business professionals looking for networking opportunities.

LocalSchools - A networking site connecting students with local US colleges and universities.

Pazap.com - A student trading site for buying and selling on-campus books with other students.

Quizilla - Quizilla is a social network for young teens.
RateMyProfessor.com - RateMyProfessor connects students aspiring to study similar courses by assisting each other.

Student.com - Student.com is a big online community for college students, high school students and teens with around 1,000,000 members.

Studentbid.com - Studentbid.com is a student market place for sales and purchase of items without any fees.

StudentSN.com - A social network allowing users to create home pages with contact information, personal information and photo albums.

Uloop.com - Uloop allows students to trade textbooks, promote community events and do host of other activities.