Gale in Context: Middle school allows users to “explore the most-studied topics including cultures, government, people, history, literature, and more.” The platform features nine topics: Cultures, Geography, Government, Literature, People, Science, Social Issues, U.S. History and World History, plus the ability to browse 546 topics.

Britannica School contains reference articles, media (images and videos), and biographies, categorized in the following informational topics: Animals, Fine Arts, Language Arts, Places, Plants and Other Living Things, Science and Mathematics, Social Studies, Sports and Hobbies, and World Religions.

Gale in Context:Opposing Viewpoints provides a topic overview, viewpoints, infographics, references, statistics, images, videos, magazines, audio, news, academic journals, websites, primary sources, and related topics on a variety of issues.

Discovery Education has vetted and curated content in multiple disciplines, with “Virtual Field Trips, videos, text, podcasts, interactives, behind-the-scenes at major organizations, career spotlights, and more.”