Facing History and Ourselves: Facing History works with schools (students and teachers) to examine and connect both history and today. They offer many resources for teaching specific case studies.
Learning for Justice: A project of the Southern Poverty Law Center offering resources on Race and Ethnicity. Some specific resources include:
Rethinking Schools: Lots of great ideas and articles from this progressive education publication.
Explores the importance of centering black history and black lives in all aspects of curriculum and equipping educators with tools and methods to teach about black lives.
Teaching for Change: “Provides teachers and parents with the tools to create schools where students learn to read, write, and change the world”. They have collections of teaching resources (articles, booklists, and more) on specific topics, such as Anti-Bias Education.
Teaching while White: "Teaching While White was created to promote and support the development of antiracist education and seeks to move the conversation forward on how to be consciously, intentionally, anti-racist in the classroom."