There is a wealth of information on the Sonoma County Office of Education webpage. You can find the link below.
Smarter Balanced Website
The Smarter Balanced Assessment Consortium also hosts a webpage with a lot of information for parents. Find it here:
Smarter Balanced Assessment Consortium
If you would like to see what the test will look like, or have your child practice taking the assessment, the link below will lead you to practice and training tests.
Practice Tests