A Framework for K–12 Science Education

The Foundation of the Future of Science Learning

Released in 2012, A Framework for K–12 Science Education set a bold new direction for science teaching and learning in the United States. Developed by the National Academies of Sciences, Engineering, and Medicine, the Framework emphasizes depth over breadth, coherence across grades, and the integration of three dimensions of learning: scientific and engineering practices, crosscutting concepts, and disciplinary core ideas.

The Framework has served as the foundation for modern state science standards across nearly every U.S. state. It has catalyzed improvements in curriculum, instruction, assessment, and professional development — supporting better outcomes for students and enabling collaboration across districts and state lines. As states consider renewing their commitment to their science standards, it is critical to reaffirm the strengths of the Framework and its foundational role in high-quality science education.

Why the Framework is Important

A Vision for 21st Century Science Education

Image of students in a science class

Promoting the Brilliance of All Children

All students, regardless of background or zip code, should have access to meaningful and rigorous science education. The Framework emphasizes inclusive instructional strategies and materials to support diverse learners.

Image of a group of students learning about the science of farming in a rural setting

Preparing for the Future

In a world where scientific knowledge and innovation play an ever-increasing role, the Framework equips students not just to learn science — but to think and reason scientifically.

Image of students in an elementary school science lab learning about plants

Coherence Across Grades

The Framework promotes learning progression that builds understanding over time — from elementary through high school — ensuring that each grade level connects logically to the next.

Three Dimensions of Science Learning

The Framework lays out a new model for K–12 science education that reflects how students learn best and what they need to thrive in an increasingly complex and science-rich world. At its core is the idea of three-dimensional learning, in which students actively engage with scientific practices, think across concepts, and develop a deep understanding of core ideas.

  • Scientific and Engineering Practices

    These are the skills and behaviors that scientists and engineers use in their work—such as asking questions, constructing explanations, analyzing data, and designing solutions. The Framework calls for students to engage in these practices as a central part of science learning.

  • Crosscutting Concepts

    These are concepts that apply across all areas of science and help students make connections between disciplines. Examples include patterns, cause and effect, systems and system models, and stability and change.

  • Disciplinary Core Ideas

    The Framework identifies key ideas in physical sciences, life sciences, earth and space sciences, and engineering, technology, and applications of science. These are the fundamental ideas students should understand deeply by the time they graduate high school.

Frequently Asked Questions

  • What is the Framework’s main purpose?

    The Framework outlines a vision for science teaching and learning that supports deep understanding and coherence across grade levels. It’s designed to guide the development of standards and influence curriculum, teaching practices, assessment, and teacher professional learning.

    → See Chapter 1 for the vision statement and intended uses.

  • Why does the Framework matter for education policy?

    The Framework provides the research-based foundation for science standards adopted by 49 states. It has enabled alignment across materials, assessments, and professional learning, supporting greater efficiency, coherence, and impact. As states consider alternatives, it’s important to recognize that no other standards are grounded in the same level of expert consensus and scientific rigor.

    → See Chapter 1 for an overview of the Framework’s purpose and origins.

  • What’s the research behind it?

    The Framework was developed by a National Academies committee of experts in science, education, and cognitive science, drawing on decades of evidence about how students learn. It builds on previous reports like How People Learn and Taking Science to School and was reviewed by independent panels to ensure scientific and pedagogical integrity.

    → See Chapter 1 for the research base and design principles.

  • Why are shared standards important?

    Shared standards allow states and districts to benefit from pooled resources — like high-quality instructional materials, professional development systems, and assessments. This helps reduce duplication, support student mobility, and ensure equity in access to rigorous science learning.

    → See Chapter 11 for implications for curriculum, instruction, and assessment.

  • How does it connect to workforce needs?

    The Framework prepares students to think critically, solve problems, and engage in inquiry — all essential skills in science, technology, and engineering fields. It also encourages application of knowledge, modeling, and systems thinking, which align with the competencies sought by employers.

    → See Chapter 9 for connections to science in real-world contexts.

  • How is it different from older models?

    Unlike traditional approaches that focus on memorization and isolated facts, the Framework calls for students to actively engage in science and engineering practices, explore crosscutting concepts, and build robust conceptual knowledge. This integration fosters a deeper and more usable understanding of science.

    → See Chapter 3 for a critique of previous approaches and rationale for change.

  • What are the “three dimensions” of learning?

    The three dimensions are:

    • Scientific and Engineering Practices: What students do with knowledge (e.g., modeling, investigating, explaining).
    • Crosscutting Concepts: Ideas that apply across disciplines (e.g., cause and effect, systems thinking).
    • Disciplinary Core Ideas: The key ideas in physical sciences, life sciences, earth and space sciences, and engineering.

    This three-part model helps unify science learning across grade levels and topics.

    → See Chapters 3–8 for detailed breakdowns of each dimension.

  • How does the Framework support all students?

    The Framework explicitly highlights the importance of making science education accessible and meaningful to all students, including English learners, students with disabilities, and those from groups historically underrepresented in science. It encourages instructional strategies that build on students’ cultural and experiential knowledge.

    → See Chapter 11, Box 11-2, for strategies to support diverse learners.

Building on the Framework

Since the release of A Framework for K–12 Science Education, the National Academies has developed a suite of complementary reports that help educators, leaders, and researchers bring its vision to life. These publications provide practical guidance on instruction, assessment, teacher learning, and implementation across grade levels.

Publications That Support and Extend the Vision