Check out these links to useful tools and information for ELL students:
Activities for ESL Students
English As A Second Language -- Ron Chang Lee (Rong-Chang Li), Ph.D.
ESLDESK -- Selection of ESL resources to help you learn English
Interesting Things for Students
Starfall -- Learn to read with phonics.
U.S.A. Learns -- A free site for adults
Typing Web -- Free online typing tutor
Randall's ESL Cyber Listening Lab
OWL -- Purdue Online Writing Lab