Loaded page "OpenStax | Free Digital Textbooks and Teaching Tools"
skip to main content

Learning resources for all!

OpenStax is the world’s largest publisher of open education resources (OER) and a provider of integrated learning technologies and education research for high school and college. We are a global nonprofit at Rice University.

Photograph of a student sitting on grass, smiling and looking at ipad

43 million learners. $3.4 billion saved.

OpenStax provides trusted textbooks and digital tools to help teachers and learners succeed. Last year, 42,000+ users wrote to say thank you.

Explore our impact

Auto-graded assessments and grade sync

Assign readings, interactives, and assessments directly in your LMS with OpenStax Assignable, our teaching and learning platform.

Try OpenStax Assignable

Teach freely, learn equitably

Knowledge is a public good, not a privilege. OpenStax values inclusivity, representation, and the democratization of knowledge.

Read our DEI commitment

Educating the world requires partnership

OpenStax partners with EdTech organizations to deliver low-cost, high-value instructional tools aligned with our content.

Search courseware

Higher Education

We publish high-quality, peer-reviewed, openly licensed college textbooks that are free online and low-cost in print.

Find your subject

K12 Education

Explore our openly licensed library of resources and free instructional materials for high school teachers.

Explore K12 Free Resources

Learning Research

Get personalized learning insights and earn recognition badges. OpenStax Kinetic is a platform to help understand learning.

Try OpenStax Kinetic

What's new at OpenStax

Imagine... no limits to learning!

OpenStax is looking to the future with excitement and purpose. Our team is creating tools and technologies that can help every learner achieve their dreams. We imagine a world where education is engaging and amazing for all!

Watch the video

Full computer science collection now available!

This collection includes 5 up-to-date, relevant, and expertly authored digital textbooks, each with free aligned instructional support materials. These resources are ready to support learners and educators in one of today's most popular fields!

Read the press release

OpenStax Algebra 1 approved by Texas SBOE!

Developed in collaboration with more than 250 Texas teachers, this engaging, research-based curriculum has officially been added to the Texas Instructional Materials Allotment list!

Read the press release

OpenStax hits $3B in student savings!

We're expanding access with free textbooks, affordable tools, and inclusive technology. Read how we've been supporting real students and educators — and where we're going next.

Read the press release

Interested in using OpenStax?

We’ll show you how to take advantage of all that OpenStax has to offer.