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Free Digital Resources

Free and reliable K-12 educational resources selected by DCSD librarians. 

Colorado History

Colorado Department of Education- Offers primary source sets for elementary teachers and students grades k-6.

Colorful History- Free comic strips by Pop Culture Classroom that educate students about significant and diverse characters and events from Colorado's history. 

Colorado Encyclopedia - An online resource for all things Colorado vetted by top Colorado scholars. Includes articles leveled for 4th, 8th, and 10th grade readers. 

Current Events

Newsela- Teachers can sign up for a free account through Gmail to access non-fiction content and recent news stories. 

NewseumED - Free resources on fighting fake news and developing your student's media literacy skills.

PBS Learning Media- Teachers can sign up for the Basic Free Version to access thousands of free, standards-aligned and curriculum targeted digital resources.

Smithsonian TweenTribune- Teachers can sign up for free to curate news articles for their classes to read & take quizzes. All news stories are leveled by grade/lexile. 


Epic!Instantly access 25,000 of the best books and videos for kids 12 and under (free for educators).

International Children's Digital Library- A collection of digitized children's books from around the world. 

Project Gutenberg- Multi-format digital library of eBooks.

Unite for Literacy- Free online access to a global library of age-appropriate picture books in a number of languages. 

General Reference

Awesome Library- Organizes 37,000 carefully reviewed resources for k-12 teachers & students. 

Digital Public Library of America- Connects people to the riches held within America's libraries, archives, museums, and other cultural institutions. 

Internet Archive- Millions of free books, movies, software, music, websites, and more.

Internet Public Library- Authoratative internet resources on a wide variety of subjects.

Directory of Open Access Journals (DOAJ)- Curated online directory that indexes and provides access to high-quality, multi-subject, open access, peer-reviewed journals. 

Health Sciences & Medicine

PubMed- Provides access to MEDLINE, NLM's database of citations, abstracts, and full text related to the fields of medicine, nursing, dentistry, health care, and preclinical sciences. 

Natural Sciences

PubChem- Provides information on the biological activities of small molecules.

Scientific Research

NASA Image and Video Library- 140,000 images, sounds, and video available and publicly searchable online.

National Science Digital Library- Serving science, technology, engineering, and mathematics education. 

Safe Search For Kids

Boolify- Teaches young learners how to correctly use a search engine and refine their searches. 

Kiddle- Kid-friendly, Google Safe powered search engine for younger learners. 

Interland - Adventure-packed online game that put the key lessons of digital citizenship and safety into hands-on practice.