OpenStax Promo Codes & Coupons September 2026 — Up to 80% Off

OpenStax is part of Rice University, which is a 501(c)(3) unprofitable charitable corporation. As an educational initiative, it's its mission to transform learning so that education works for every student. Through its partnerships with philanthropic foundations and its alliance with other educational resource companies, it is breaking down the most common barriers to learning. Because it believes that everyone should and can have access to knowledge. Looking for more information about OpenStax? Visit its FAQ page. It publishes high-quality, peer-reviewed, openly licensed college textbooks which are absolutely free online and low cost in print. Seriously. It has also developed a low-cost, research-based courseware which gives students the tools they need to complete their course the first time around, as well as a new online math homework system with step-level feedback.