Coco Juku (COCO塾), which stands for Communication Competence, was an English conversation school (eikaiwa) in Japan. The school was founded in 2012 by Nichii Gakkan, which also owns the English conversation school Gaba Corporation. Coco Juku's lessons began on April 10, 2012 and the "Coco Junior" program for children began in April 2013. From 2013 it also began offering Japanese lessons under the name "Japanese course for foreigners".