Poets.org - poetry resources for teens from the Academy of American Poets.
Poetry 180 - a poem a day for American high schools from the Library of Congress.
Poetry Out Loud - the web site for this oral competition has a bounty of resources for teachers and students.
ReadWriteThink - a podcast, "Celebrating Poetry for Teens."
Teen Ink - teens submit their poetry and comment on others' writing.
Urban Word NYC -- New York's teen poetry/spoken word nexus, founded in 1999 with the Teachers & Writers Collaborative.
YALSA (Young Adult Library Services Association) - recommended web sites, contests, print publications and movies about poetry.
Youth Speaks - website for nonprofit presenter of Spoken Word performance, education, and youth development programs; sponsors Brave New Voices, an international Youth Poetry Slam Festival.