Searchable lesson plans for pre-K as well as K-12 by grade, subject, theme, and/or Crayola product.

Searchable lesson plans on different subjects for different grade levels.

The Library of Congress offers classroom materials and professional development to help teachers effectively use primary sources from the Library's vast digital collections in their teaching.

The Learning Network provides daily resources for teaching and learning with The New York Times, including lesson plans, questions for writing and discussion, quizzes, monthly contests and more.

PBS offers access to thousands of innovative, standards-aligned digital resources, student experiences, and professional development opportunities.

The Smithsonian offers lesson plans and other teaching resources.

The United States Board on Books for Young People's annual list out outstanding international books. Early childhood to young adult