Students

Britannica Elementary (all subjects)

Britannica School: Animal Kingdom (videos, photos, and fun!)

Britannica Escolar Online (espanol)

CultureGrams (Countries and States)

DK Eyewitness eBooks (all subjects)

Explora Articles (all subjects)

Gale in Context: Biographies

Gale in Context (all subjects)

PebbleGo (Animals & Science)

PebbleGo Next (Biographies)

Study SC (all subjects related to SC)

World Almanac (all subjects)

ABCya! (choose grade level at top) 

Arcademics

Ben's Guide (states)

Britannica Fundamentals (games and e-books)

Draw a Stickman

Fact Monster

Funbrain

Funbrain Jr. (games and stories)

Nasa

National Geographic 

PBS Kids 

Pixel Art

Poetry Generator

Scholastic Home Base (play as guest)

Sheppard

Starfall 

Storyboard That - Comic Strip Maker 

WAKE 

Epic - ebooks and audiobooks (do not sign up without parent permission; you'll need a class code from your teacher, if he/she has an account)

NoveList (book recommendations)

Sora (ebooks, audiobooks, and magazines)

Storyline Online (read alouds)

Storytime from SPACE!

Tumblebooks (ebooks, audiobooks, videos, and more)

TumbleMath (books about math)