A free library of proven, Common Core-aligned lessons.

Our lesson planning tool lets you build literacy-rich, CCSS-aligned modules tested by the country’s top teachers. All subjects, K–12.

How It Works

Created by teachers, the LDC Curriculum Library makes it easy to integrate College and Career Readiness Standards into your favorite content.

Find Great Content

Search for assignments by skill, discipline, grade level, subject, and more to zero in on exactly what you need for your class.

Build Your Own

Build new assignments and units from existing modules, or create your own from scratch using the free LDC CoreTools.

Collaborate With Colleagues

Collaborate and share your work with colleagues, or make it public so that other educators can benefit from your expertise.

Our Partners

Get started. It's free.

  • Join our community of passionate educators.
  • Deepen your knowledge and own your professional growth.
  • Access assignments and lesson plans, or create your own curriculum.