Young Adult Library Services Association- A division of the American Library Association concerned with resources and services for young adults. Provides valuable resource lists:
American Association of School Librarians - Another division of ALA representing and promoting school library resources, provides an annual list Best Digital Tools for Teaching and Learning
Association for Library Service to Children - A division of the American Library Association (ALA) tasked with promoting services to children. ALSC produces vetted and currated lists of resources like recommended booklists, digital media, and ebook resources. Here's an example resource found through ALSC:Ethical Culture School Library