12/02/2010 02:07 pm ET Updated May 25, 2011

California Embraces Open Source Digital Textbooks

California schools have cracked the spine on open source, free digital textbooks in an attempt to save money and to make educational resources easier to access and update.

The cash-strapped state launched the nation's first open source digital textbook initiative last May, asking content providers to submit high school-level math and science texts for free. The state reviewed 16 digital textbooks, available as PDF files (downloadable at the California Learning Resource Network), scored by how well they align with state standards. Teachers began accessing the texts online last fall.

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