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How were the NGSS developed?
The development of the NGSS was a two-step process. The first step was the development of the Framework for K–12 Science Education
(Framework) by the National Research Council (NRC), the staff arm of the National Academy of Sciences.
The Framework was a critical first step because it is grounded in the most current research on science and science learning and identified the science all kindergarten through grade twelve (K–12) students should know. To undertake this effort, the NRC convened a committee of 18 individuals who are nationally and internationally known in their respective fields. The committee was composed of practicing scientists, including two Nobel laureates, cognitive scientists, science education researchers, and science education standards and policy experts. In addition, the NRC used four design teams to develop the Framework. These design teams, in physical science, life science, earth/space science, and engineering, developed the framework for their respective disciplinary area. A public draft was released in July of 2010. The NRC reviewed comments and considered all feedback prior to releasing the final Framework on July 19, 2011. Read more about the Framework online here
.
The second step was the development of the NGSS based on A K–12 Framework for Science Education: Practices, Crosscutting Concepts, and Core Ideas
.
In a process managed by Achieve, Inc., states lead the development of
K–12 science standards, rich in content and practice, arranged in a
coherent manner across disciplines and grades to provide all students
an internationally-bench marked science education. The NGSS is based on
the Framework and will prepare students for college and
careers. The NGSS was developed collaboratively with states and other
stakeholders in science, science education, higher education and
industry. Additional review and guidance was provided by advisory
committees composed of nationally-recognized leaders in science and
science education as well as business and industry. As part of the
development process, the standards underwent multiple reviews from many
stakeholders, including two public drafts, allowing all who have a
stake in science education an opportunity to inform the development of
the standards. This process produced a set of high quality, college-
and career-ready K–12 Next Generation Science Standards ready for state adoption. The standards were completed in April 2013.

The Framework was a critical first step because it is grounded in the most current research on science and science learning and identified the science all kindergarten through grade twelve (K–12) students should know. To undertake this effort, the NRC convened a committee of 18 individuals who are nationally and internationally known in their respective fields. The committee was composed of practicing scientists, including two Nobel laureates, cognitive scientists, science education researchers, and science education standards and policy experts. In addition, the NRC used four design teams to develop the Framework. These design teams, in physical science, life science, earth/space science, and engineering, developed the framework for their respective disciplinary area. A public draft was released in July of 2010. The NRC reviewed comments and considered all feedback prior to releasing the final Framework on July 19, 2011. Read more about the Framework online here

The second step was the development of the NGSS based on A K–12 Framework for Science Education: Practices, Crosscutting Concepts, and Core Ideas
