K12

K–12 refers to primary and secondary education in the United States, Canada, and Australia.

K12 may also refer to:

Arts and entertainment

 * K–12 (album), by Melanie Martinez
 * K–12 (film), the accompanying film
 * Sonata in A, K. 12, by Wolfgang Amadeus Mozart
 * A fictional ski slope in the film Better Off Dead

Science and mathematics

 * E. coli K-12, a bacterial strain
 * Keratin 12, a protein
 * Coxeter–Todd lattice K12, a 12-dimensional lattice

Technology

 * 21 cm K 12 (E) German World War II railway gun
 * AMD K12, a CPU microarchitecture
 * Curtiss K-12, an aircraft engine
 * S&T Motiv K12, a South Korean machine gun
 * K-12, an obsolete process for Kodachrome photographic film

Vehicles

 * Aircraft
 * Kalinin K-12, a Soviet proof-of-concept aircraft
 * Kawanishi K-12 Sakura, an experimental Japanese aircraft


 * Automobiles
 * Kandi K12, a Chinese microcar
 * Nissan Micra (K12), a Japanese subcompact car


 * Ships
 * HMS Auricula (K12), a corvette of the Royal Navy
 * HMS K12, a submarine of the Royal Navy
 * HNLMS K XII, a submarine of the Royal Netherlands Navy
 * HSWMS Malmö, a corvette of the Swedish Navy

Other uses

 * K-12 (Kansas highway), a former highway in Kansas
 * K12 (mountain)
 * K12 Inc., now Stride, Inc., an American education company