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Psychology. Biology. Economics. Your gift helps us expand our library. Help fund the next great course!
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Learning resources for all!
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OpenStax is the world’s largest publisher of open education resources (OER) and a provider of interactive learning technologies and education research for high school and college. We are a nonprofit initiative of Rice University.
[Find your subject](https://openstax.org/subjects)
25 years of making a difference
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Since the publication of our first textbook in 2012, we have saved 36.1 million students $2.9 billion across 150 countries.
[See our impact](https://openstax.org/impact)
More than free online textbooks
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A library of 70+ free resources with aligned instructional materials and interactive learning technologies for your course.
[Find your subject](https://openstax.org/subjects)
Teach freely, learn equitably
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Knowledge is a public good, not a privilege. OpenStax values inclusivity, representation, and the democratization of knowledge.
[Read our DEI commitment](https://openstax.org/blog/dei-commitment-/)
Educating the world requires partnership
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OpenStax partners with EdTech organizations to deliver low-cost, high-value instructional tools aligned with our content.
[Search courseware](https://openstax.org/partners)
Higher Education
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We publish high-quality, peer-reviewed, openly licensed college textbooks that are free online and low-cost in print.
[Find your subject](https://openstax.org/subjects)
K12 Education
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Explore our openly licensed library of resources and free instructional materials for high school teachers.
[Explore K12 Free Resources](https://openstax.org/k12)
Learning Research
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Get personalized learning insights and earn recognition badges. OpenStax Kinetic is a platform to help understand learning.
[Try OpenStax Kinetic](https://openstax.org/kinetic)
What's new at OpenStax
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### 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](https://www.youtube.com/watch?v=v7c4WWnOfaA)
### **OpenStax celebrates 25 years of serving students!**
What started as an idea in 1999 has led to OpenStax saving $2.9 billion! Today, we are still committed to making an amazing education accessible for all through interactive learning technologies and high-quality content!
[Read the press release](https://openstax.org/press/openstax-celebrates-25-years-of-transforming-education)
### 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](https://openstax.org/press/openstax-algebra-curriculum-receives-unanimous-approval-in-texas)
### We're celebrating Open Ed Week the first week of March!
If you are curious about open educational resources (OER), we're here to help! Our blog post defines OER and shares the many benefits educators experience when choosing OER over traditional options.
[Read the blog](https://openstax.org/blog/what-are-oer)
Interested in using OpenStax?
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We’ll show you how to take advantage of all that OpenStax has to offer.
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