America COMPETES Reauthorization Act of 2014 or America Creating Opportunities to Meaningfully Promote Excellence in Technology, Education, and Science Reauthorization Act of 2014 - Establishes, revises, and extends specified science, technology, engineering, and mathematics (STEM) programs, as well as education, research, and training programs.

Amends the America Competes Reauthorization Act of 2010 to revise requirements for updating the five-year STEM education strategic plan and require the Office of Science and Technology Policy to convene a subcommittee on research productivity.

Amends the Stevenson-Wydler Technology Innovation Act of 1980 to revise requirements for prize competitions to stimulate innovation.

Establishes requirements for educational and outreach activities of the National Aeronautics and Space Administration (NASA), the National Oceanic and Atmospheric Administration, and the National Institute of Standards and Technology.

Reauthorizes specified National Institute of Standards and Technology programs and amends the National Institute of Standards and Technology Act to modify the Manufacturing Extension Partnership.

Reauthorizes specified National Science Foundation (NSF) programs and establishes requirements for grants and educational programs. Establishes grants and requirements for specified activities to promote STEM education and teacher training.

Requires the NSF to encourage the development of the Innovation Corps and other training programs that focus on graduate student professional development. Establishes grants for traineeship programs.

Requires the National Science Board to assess metrics for evaluating science and engineering comprehension in grades K-12.

Requires the Department of Education (DOE) to award grants for STEM secondary schools.

Reauthorizes the Department of Commerce's Regional Innovation Program and permits loan guarantees for science park infrastructure.

National Nanotechnology Initiative Amendments Act of 2014 - Amends the 21st Century Nanotechnology Research and Development Act to revise requirements for management and review of the National Nanotechnology Initiative.