National Federation of Temple Youth 
National youth group for high schoolers affiliated with the United American Hebrew Congregations (UAHC).
http://www.nfty.org/Tzivos Hashem
Literally "The Army of G-d," an organization for Jewish boys and girls the world over. Provides materials that teach children about how to be Jewish and what Judaism means.
http://www.tzivos-hashem.org/
Chetz-Vekeshet
Israel summer program of the Israeli Scouts in cooperation with the Ministry of Defense and the Jewish Agency.
http://www.chetz-vkeshet.org.il/
Bnei Akiva of Los Angeles
Introduces the Zionist youth organization. Also includes contact information, camp dates, photos, descriptions of religious holidays, and a listing of other events.
http://www.bneiakivala.org/
United Synagogue Youth
Jewish youth group in Canada and the USA affiliated with the United Synagogue of Conservative Judaism (USCJ).
http://www.usy.org/
