Asian Art Museum

Inventive lessons and activities integrate Asian history, art, and more
Bottom Line: It offers an in-depth look at Asia’s influence on art and history and provides lots of creative tools for educators.
PebbleGo

Easily accessible, kid-friendly database for the littlest researchers
Bottom Line: Delightful, safe introduction to the world of research, databases, and reporting, with interesting content and stellar supports.
National Museum of African American History and Culture

Powerful stories and media centralize African-American history
Bottom Line: While there aren't ready-to-go curricular materials, this modern, well-curated, and well-contextualized digital collection is sure to inspire compelling lessons.
Smithsonian's History Explorer

Browse and use American history artifacts and activities
Bottom Line: This is a handy resource that, with some effort, will uncover resources for kick-starting curious learning.
History's Mysteries

Scrappy, smart elementary history curriculum builds inquiry skills
Bottom Line: The free and adaptable nature of these intriguing history lessons makes them easy additions to just about any elementary history curriculum.
Library of Congress

Dig into famed library's collection of research goodies
Bottom Line: The Library of Congress delivers the best of America's past and present, and with teacher support it could be a reliable research resource for students.
PebbleGo Next

Safe nonfiction database develops students' research skills
Bottom Line: Student-centric research site gives kids a just-right amount of information to build foundational research skills.
EDSITEment

Extensive humanities resource offers deep well of great content
Bottom Line: The National Endowment for the Humanities has put together an outstanding place for art, history, language, and literature.
Ken Burns in the Classroom

Critically acclaimed documentaries repackaged meaningfully for classrooms
Bottom Line: Top-notch documentary clips offer opportunities to expand students' perspectives, but some lesson materials might be underwhelming.
National Archives

Access U.S. history with treasure trove of docs, genealogy, and other resources
Bottom Line: NARA's website wasn't designed for kids, but they can definitely use it to research and learn about history, genealogy, and the U.S. population and government.
Digital Public Library of America

Organized digital library features piles of useful primary resources
Bottom Line: DPLA is at the top of the list of high-grade, online primary source collections if teachers make effective use of what's on offer.
Ford's Theatre

Site famous for its Lincoln assassination resources has more to offer
Bottom Line: This site can support meaningful, primary source-driven examination of some of the most important events in U.S. history, but educators will need to dig a little.
Gooru

Track progress, differentiate instruction with vast content library
Bottom Line: Though it's not perfect, it's a great portal for supplementing classroom instruction and supporting personalized learning.
Case Maker

Students think like detectives to gather evidence, explore civics
Bottom Line: Makes the case for middle schoolers using primary sources, but this isn't gonna be a grab-and-go experience.
SweetSearch

Search engine with filtered results leaves room for critical thinking
Bottom Line: SweetSearch supplies valid, reputable websites that can help kids learn about a variety of topics.
American Panorama

Interactive atlas magnifies events in United States history
Bottom Line: With layers of learning opportunities, this is a unique interactive resource to supplement curriculum.
Facing History and Ourselves

A wealth of resources explore racism, prejudice, and anti-Semitism
Bottom Line: These valuable materials empower students to understand and address difficult ethical choices -- past and present.
Google Arts & Culture

Well-curated art and history site inspires curious learning
Bottom Line: A beautifully presented one-stop shop for compellingly curated and contextualized art, history, and culture resources, but it's lacking educator supports.
DocsTeach

Historical texts, interactive activities can promote critical thinking
Bottom Line: This text-rich app encourages students to conduct their own analysis of history, but the formats and graphics may prevent them from making a thorough analysis.
United States Holocaust Memorial Museum

Extensive resource collection supports teaching about the Holocaust
Bottom Line: As a valuable resource for anyone teaching or learning about the Holocaust, time to explore and plan is necessary in order to make the materials effective.
American Social History Project

Deep, research-backed resources highlight America's rich diversity
Bottom Line: Worth the time investment, because these valuable, socially progressive materials will add depth to the study of American history.
Zinn Education Project

Resources, lessons help teach a more inclusive version of U.S. history
Bottom Line: Free downloadable resources encourage critical thinking and active learning in search of a more accurate picture of American history.
World History Encyclopedia

Crowd-sourced ancient history site features extensive, varied resources
Bottom Line: It's free, web-based, and regularly updated with vetted info, so classrooms can turn to this site often to kick off research projects.
The National WWII Museum - New Orleans

High-quality resources and activities offer an in-depth study
Bottom Line: Materials and activities support a thorough study of World War II, making this a valuable resource for both teachers and students.
Stanford History Education Group

High-quality, document-based lessons spark stellar historical inquiry
Bottom Line: A gold mine of cross-curricular literacy lessons that encourage sound, research-backed strategies for reading, analysis, and critical thinking.
A History of Ideas

Philosophy podcast makes heady concepts accessible
Bottom Line: These philosophy podcasts and videos offer entertaining introductions to key concepts and thinkers, but require some smart lesson planning for deeper learning.
Constitute

Extensive, highly searchable collection of the world's constitutions
Bottom Line: Quickly and easily access almost any country's constitution, locate an excerpt, or compare governments.
Google Scholar

Academic search engine, an excellent source for credible research info
Bottom Line: This smart tool can help teens locate credible material for paper and report writing, general research, and other school projects.
Heilbrunn Timeline of Art History

History and art intersect on the Met's vast, reading-centric site
Bottom Line: This resource from the Metropolitan Museum of Art beautifully illustrates art's evolution and is great for research, but more interactivity would help balance out the text-heavy content.
OER Project

Expansive world history courses powered by great open-source materials
Bottom Line: A stellar program for exploring foundational concepts in history, humanities, critical thinking, and science with tons of support for teachers.
The Living New Deal | Still Working for America

Archival site is a treasure trove for New Deal researchers
Bottom Line: While it doesn't offer much specifically for teachers or students, it's a must-use site for primary source material if you have a unit on the New Deal or Great Depression.
Trans-Atlantic Slave Trade Database

Deep, complex database is challenging but a peerless research tool
Bottom Line: This is a highly academic site for better and for worse; it's filled with deep, research-backed resources and primary sources but is intimidating without clear guidance.