ABC Ya!
Adapted Mind
Arcademics
Art for Kids Hub
BrainPOP
Capstone Interactive
Enchanted Learning
Fun Brain
Go Noodle
KCLS Student Accounts (with login directions)
Khan Academy
Kodable
Math Playground
Mo Willems
NASA Kids Club
National Geographic Kids
PBS Kids
Pebble Go
Prodigy Math
Ryan Henry Ward Coloring Book
Scholastic News
Starfall
Storyline Online
Sushi Monster - this isn't a link (download it from the app store), but it's GREAT; my kids always love it!
Who Was...? - this isn't a link (download it from the app store), it goes along with all the Who/What Was... books.