K-12

K-12 (Pronounced "Kay through 12" or just "Kay 12") is the common designation for primary and secondary education.

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The expression is a shortening of Kindergarten through 12th grade, the first and last grades of free education in the United States.

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• Education in the United States

Primary: Ordinal adjectives:Primary "first", first hand.Secondary "second", second hand.Tertiary "third", third hand.In organic chemistry:Primary : functional group attached to carbon atom connected to 1 or no other Carbon atomsSecondary: functional group attached to carbon atom connected to 2 other Carbon a...

Secondary: Secondary can mean:...

Kindergarten: Kindergarten (German for garden for children) is a name used in many parts of the world for the first stages of a child's classroom education. In some parts kindergarten is part of the formal school system; in others it may refer to pre-school or daycare....