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It's a math and English curriculum used in the US up to the 12th grade. https://en.wikipedia.org/wiki/Common_Core_State_Standards_Initiative https://en.wikiped
by omaranto 10y ago
It's a math and English curriculum used in the US up to the 12th grade.
https://en.wikipedia.org/wiki/Common_Core_State_Standards_Initiative https://en.wikipedia.org/wiki/Common_Core_State_Standards_In...