6 a.m. to 8 a.m. grades from transitional kindergarten through three
8 a.m. to 1 p.m. grades four through eight
1 p.m. to 6 p.m. grades nine through 12
Register here to join at 7:30 a.m. or 3:30 p.m. PDT.
Here is the Get Started with PBS LearningMedia Guide.