What organization is represented by the acronym AASL?

The organization represented by the acronym AASL is the American Association of School Librarians. AASL is a division of the American Library Association (ALA) and focuses specifically on the needs and interests of school librarians and the development of effective school library programs. This association provides resources, professional development opportunities, and advocacy for school librarians, helping them to support the educational goals of their institutions and enhance student learning.

The other options listed do not align with the organization commonly referred to as AASL. The terms in those choices may refer to different organizations or concepts but are not recognized acronyms in the context of school librarianship or the American Library Association.