The Gilder Lehrman Institute of American History

An astonishingly deep educational nonprofit: excellent lesson plans for a variety of ages with accompanying PDFs and references to relevant Common Core standards. There’s also an extensive AP African American Studies Guide, an AP US History Study Guide, AP Summer Prep courses, and much more. They offer summer seminars for teachers as well as an affordable Master’s Degree in American History. Their site also includes primary documents, and many essays about underrepresented people’s contributions to American history. Essays are written by academics and are supported with references.

From their website’s “About” section:

“The Gilder Lehrman Institute (GLI) of American History is the leading nonprofit and nonpartisan organization dedicated to improving the teaching and learning of American history through educational programs and resources. We serve K–12 teachers and students, honor scholars, and welcome and inform the general public.

The American Numismatic Association

The American Numismatic Association’s money.org website is extensive, offering information about numismatics, articles, and so much more. It also has extensive, detailed, and very approachable lesson plans covering the time periods of coins in their collection. This means that there are lessons on the Silk Road Coinage, on World War 1, Black History and Women’s History, the History of Money, and even a lesson entitled Approachable and thorough, the ANA’s educational offerings are undergirded by their extensive coin collection, which features in the lesson plans so that learners can virtually visit their museum.

From their website’s ANA Education section:

“Dive into a treasure trove of articles, videos, tutorials, and interactive resources crafted by experts in the field. From exploring the rich history behind rare coins to mastering the intricacies of grading and authentication, there’s something here for everyone. The American Numismatic Association’s educational resources provide a wealth of knowledge that will enrich your passion for coins and currency.

ANA Education Mission: To lead the world in numismatic education.

ANA Education Vision: To welcome all learners by providing dynamic, engaging, relevant, and organized learning opportunities for the life-long love of learning.”