Curated Learning Library
Browse articles, video lectures, practice PDF documents, and academic tools.
NHK World - Easy Japanese
Free Japanese audio lessons with manga-style story illustrations, grammar tips, and Hiragana/Katakan...
Project Gutenberg
A library of over 70,000 free eBooks including timeless classical literature, poetry, Shakespearean...
CK-12 Mathematics
Free digital flexbooks, adaptive math practice, interactive PLIX simulations, and real-world math ap...
Smithsonian Science Education
Provides access to thousands of free science resources, primary sources, and interactive collections...
Stanford History Education Group (SHEG / Digital Inquiry Group)
Award-winning "Reading Like a Historian" curriculum and civic online reasoning assessments for evalu...
Khan Academy - Computing
Interactive lessons in JavaScript drawing and animation, HTML/CSS web design, SQL database querying,...
BizKid$
Public television series and web platform teaching kids and teens how to make and manage money, star...
SpanishDict
The leading free Spanish-English dictionary, conjugation engine, pronunciation guides, and interacti...
Lit2Go
A free online collection of stories and poems in audiobook (MP3) format with accompanying PDF text,...
Illustrative Mathematics
Problem-based core curriculum designed to encourage mathematical reasoning, discourse, and deep conc...
PhET Interactive Simulations
Offers free interactive science and math simulations developed by the University of Colorado. Helps...
Big History Project
Free, multidisciplinary course spanning 13.8 billion years from the Big Bang to modern civilization...