The Best Free Homeschool Curriculum Resources Online (2026)
4 min read · February 7, 2026 · HomeschoolGo
One of the biggest myths about homeschooling is that it's expensive. Yes, a full boxed curriculum from a major publisher can run $400–$800 a year per child. But some of the best teaching resources we use cost nothing at all.
I've been homeschooling for years and our math spine has been Khan Academy for most of it. My kids have read thousands of pages from Project Gutenberg. We've done full science units using CK-12. The internet genuinely is full of high-quality free content — you just have to know where to look. Here's what's actually worth your time, organized by subject.
Free Math Resources
Khan Academy (khanacademy.org)
The undisputed champion of free online math instruction. Khan Academy covers every grade level from kindergarten through college, with video lessons, guided practice, and progress tracking. The mastery-based system ensures kids fully understand one concept before moving to the next.
Best for: All ages, all levels. Especially great as a primary curriculum for grades 3–12.
Math Mammoth (Sample Worksheets)
Math Mammoth offers dozens of free sample worksheets on their website covering a wide range of topics. If you end up loving the style, the full curriculum is very affordable.
Best for: Elementary and middle school.
Illustrative Mathematics (illustrativemathematics.org)
A rigorous, standards-aligned math curriculum available free online for grades K–12. More structured than Khan Academy with full lesson plans, activities, and assessments.
Best for: Parents who want a complete, print-friendly curriculum.
Free Reading & Language Arts Resources
ReadWorks (readworks.org)
Thousands of free reading passages with comprehension questions, organized by grade level and topic. Perfect for building reading skills and content knowledge simultaneously.
Best for: Grades K–8.
CommonLit (commonlit.org)
A free digital library of literary and informational texts with built-in discussion questions, guided reading tools, and assessments. Strong for middle and high school.
Best for: Grades 5–12.
Starfall (starfall.com)
A beloved phonics and early reading site with interactive games, songs, and stories. The basic version is free and covers early literacy beautifully.
Best for: PreK–Grade 2.
Project Gutenberg (gutenberg.org)
Over 70,000 free eBooks of classic literature — completely free to download. An essential resource for Charlotte Mason and classical homeschoolers building a living books library.
Best for: All ages for literature selections.
Free Science Resources
CK-12 (ck12.org)
A free, customizable science and math platform with textbooks, videos, and interactive simulations for grades K–12. You can even create your own "flexbooks" tailored to your child's needs.
Best for: Middle and high school science.
NASA Education (nasa.gov/education)
NASA offers free lesson plans, activities, videos, and images for K–12 learners. Whether your child is interested in space, earth science, or engineering, NASA has you covered.
Best for: All ages — endlessly engaging for curious kids.
Mystery Science (Free Lessons)
Mystery Science offers several free sample lessons with engaging videos and easy prep hands-on activities. The full subscription is affordable, but even the free content is excellent.
Best for: Elementary grades.
Thinking about joining or starting a co-op?
HomeschoolGo helps co-ops handle classes, payments, and communication — so everyone stays on the same page.
Free History & Social Studies Resources
Khan Academy History
Just like with math, Khan Academy's history content is free and thorough — covering ancient civilizations, world history, U.S. history, and more with video lessons and articles.
Best for: Middle and high school.
Library of Congress (loc.gov/teachers)
Primary source documents, photographs, maps, and lesson plans — all free. An incredible resource for making history come alive.
Best for: Grades 4 and up.
Crash Course (YouTube)
The Crash Course YouTube channel offers free video series on world history, U.S. history, economics, and more. Engaging, fast-paced, and surprisingly thorough.
Best for: Middle and high school.
Free Foreign Language Resources
Duolingo (duolingo.com)
Free gamified language learning covering dozens of languages. Best used as a supplement to a more structured program, but great for daily vocabulary and grammar practice.
Best for: All ages.
BBC Languages (bbc.co.uk/languages)
Free language learning materials in multiple languages from the BBC. Includes audio, video, and written content.
Best for: Beginners of all ages.
Free All-in-One Curriculum Resources
Easy Peasy All-in-One Homeschool (allinonehomeschool.com)
A complete free K–12 curriculum built on free internet resources. It's simple, well-organized, and has helped thousands of families homeschool on essentially zero budget.
Best for: Families looking for a ready-made free plan.
Ambleside Online (amblesideonline.org)
A free Charlotte Mason-inspired curriculum with booklists, schedules, and guidance for all grades. Well-loved in the homeschool community for its rich literature focus.
Best for: Families drawn to the Charlotte Mason philosophy.
Related articles:
- How to Homeschool on a Tight Budget
- Best Homeschool Apps in 2026
- The Charlotte Mason Method: A Gentle Guide for Beginners
Part of a homeschool co-op?
HomeschoolGo helps co-ops manage classes, payments, calendars, and communication — so leaders can focus on community, not spreadsheets.
Try HomeschoolGo free →