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As California prepares to become the first state in the nation to offer free, open-source digital textbooks for high school students this fall, state officials today gave an A-plus to a North Carolina high school teacher's algebra II textbook, one of the first open-source texts submitted for the program. Advanced Algebra II by Raleigh, N.C., math teacher Kenny Felder was submitted by Connexions, an open-education initiative at Rice University.

CK-12, CK-12 Foundation