The U.S. National Science Foundation (NSF) is offering a grant opportunity titled "NSF STEM K-12" aimed at supporting research that enhances STEM teaching and learning across various educational settings. This program encourages proposals from a diverse range of eligible applicants, including for-profit organizations, non-profit entities, state and local governments, institutions of higher education, and federally recognized Tribal Nations, all focused on advancing education in science, technology, engineering, and mathematics. With an estimated total program funding of $30 million, proposals can be submitted at any time, and interested parties can reach out to NSF grants.gov support at grantsgovsupport@nsf.gov for assistance. For more details, applicants can refer to NSF Publication 25-545 available at the provided URL.