Google Classroom
Clever SSO
Keyboarding Without Tears
IXL
FossWeb
Accelerated Reader
Library Catalog
Lexia Core 5
RAZ Kids 
SBAC Practice
Treasures
Tesoros 
AR Bookfinder
CPM Textbooks
Mi Write 

Spelling City
Typing Web
AR Home Connect 
Seesaw 
Got a Question? - Ask OAUSD Students a question
Got an Answer? - Answer an OAUSD Student question
Video Tutorial:
Video (Many subjects, and math exercises) - Khan Academy
Science & History:
Biographies - Biographies for Kids
Video, Picture, Articles - U.S. Geological Survey
WebCams of the World:
Yosemite - National Park Service
International Space Station (ISS) - Space Webcam
Monterey Bay Aquarium - Aquarium and Wildlife