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OpenStax

OpenStax is a nonprofit educational initiative based at Rice University, and it's our mission to give every student the tools they need to be successful in the classroom. Through our partnerships with philanthropic foundations and our alliance with other educational resource companies, we're breaking down the most common barriers to learning. Because we believe that a well-educated society profits us all.

We publish high-quality, peer-reviewed, openly licensed college textbooks that are absolutely free online and low cost in print. Seriously. We've also developed a low-cost, research-based courseware that gives students the tools they need to complete their course the first time around.

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What homeschoolers say about OpenStax

Homeschooling families appreciate OpenStax for providing high-quality, free or low-cost textbooks that cover a broad range of subjects, especially at the high school and early college levels. Their materials are praised for clear explanations and up-to-date content, making them a valuable resource for advanced learners. However, some parents note that the textbooks can be dense and less engaging for younger students or those needing more interactive or guided instruction. Additionally, the lack of accompanying teacher guides or structured lesson plans means parents often need to supplement with additional resources or curriculum planning.

Summarized by Learnamic from public homeschool reviews and discussions.

Resources from OpenStax

Calculus Volume 1

Calculus Volume 1

Calculus is designed for the typical two- or three-semester general calculus course, incorporating innovative features to enhance student learning. The book guides students through the core concepts of calculus and helps them understand how those con...

Principles of Macroeconomics - 2nd Edition

Principles of Macroeconomics - 2nd Edition

Principles of Macroeconomics 2e covers the scope and sequence of most introductory economics courses. The text includes many current examples, which are handled in a politically equitable way. The outcome is a balanced approach to the theory and appl...

Biology 2e

Biology 2e

Biology 2e is designed to cover the scope and sequence requirements of a typical two-semester biology course for science majors. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens....

College Algebra

College Algebra

College Algebra provides a comprehensive exploration of algebraic principles and meets scope and sequence requirements for a typical introductory algebra course. The modular approach and richness of content ensure that the book meets the needs of a v...

Calculus Volume 3

Calculus Volume 3

Calculus is designed for the typical two- or three-semester general calculus course, incorporating innovative features to enhance student learning. The book guides students through the core concepts of calculus and helps them understand how those con...

Concepts of Biology

Concepts of Biology

Concepts of Biology is designed for the typical introductory biology course for nonmajors, covering standard scope and sequence requirements. The text includes interesting applications and conveys the major themes of biology, with content that is mea...

OpenStax

OpenStax

Precalculus is adaptable and designed to fit the needs of a variety of precalculus courses. It is a comprehensive text that covers more ground than a typical one- or two-semester college-level precalculus course. The content is organized by clea...

Principles of Microeconomics - 2nd Edition

Principles of Microeconomics - 2nd Edition

Principles of Microeconomics 2e covers the scope and sequence of most introductory microeconomics courses. The text includes many current examples, which are handled in a politically equitable way. The outcome is a balanced approach to the theory and...

Chemistry: Atoms First 2e

Chemistry: Atoms First 2e

Chemistry: Atoms First 2e is a peer-reviewed, openly licensed introductory textbook produced through a collaborative publishing partnership between OpenStax and the University of Connecticut and UConn Undergraduate Student Government Association. Th...

Introductory Business Statistics

Introductory Business Statistics

Introductory Business Statistics is designed to meet the scope and sequence requirements of the one-semester statistics course for business, economics, and related majors. Core statistical concepts and skills have been augmented with practical busine...

Anatomy and Physiology

Anatomy and Physiology

Anatomy and Physiology is a dynamic textbook for the two-semester human anatomy and physiology course for life science and allied health majors. The book is organized by body system and covers standard scope and sequence requirements. Its lucid text,...

Biology for AP Courses

Biology for AP Courses

Biology for AP® Courses covers the scope and sequence requirements of a typical two-semester Advanced Placement® biology course. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutiona...