American Intercultural Student Exchange (AISE) - Foundation which arranges exchange programs for high school students from around the world. Site provides forms and FAQs for host families and interested students, as well as description of programs, area representative resources, student profiles, and related links.
International Youth Leadership Institute - Youth organization for African American and Latino high school students. Provides leadership and communication training and overseas study program to Africa, Latin American and the Caribbean.
The Student Center - Web community for college students, high school students, and teens. Plenty of useful information, entertainment, and an entire Student HUB section dedicated to students meeting other students.
Students for Informed Career Decisions - Provides information sheets on the environmental and labor practices of corporations that recruit on college campuses - including Disney, which is embroiled in a labor controversy.