ABC Teach - Over 5,000 free documents available, including printable worksheets, interactive activities, theme units, and more
Diigo - Online bookmarking
Enchanted Learning - Curriculum material online
Filamentality - Create web based activities
Internet 4Classrooms - Find high-quality, free Internet resources to use in classroom instruction
Rubistar - Free tool to help teachers create quality rubrics
NY Times Learning Network - Provides teaching and learning materials and ideas based on New York Times content
PBS Teachers - Teaching activities & on-demand videos  tied to PBS online programming
Reflex Math -  helps students of all ability levels to develop instant recall of their basic math facts  
SMARTboard Resources -
School Express - A variety of educational materials: worksheets, storytime & more
SEL/Character Education - Soundzabound - Royalty free music for schools
SweetSearch - Searches only credible websites
Thinkfinity - Enhance learning with FREE lesson plans & educational resources
VITAL NY - Offers thousands of standards-based K-12 media resources, support materials, and self-paced lessons