The purpose of this study is to investigate how cooperative learning approach supports teachers to design an effective teaching for promoting the students learning to construct knowledge in practice. Quantitative and qualitative research methods such as surveys and case studies were employed for data collection. A High School which challenges face teachers to foster cooperative learning approach was selected as case study. From this study it can be illustrated that Japanese students' cognitive abilities and emotional intelligent skills for building knowledge have been developed through cooperative learning in Japanese language lessons. [This document was published in: "Comparative Education in Teacher Training, Education Policy, Social Inclusion, History of Education" (pp.119-124), Vol. 9, Edited by N. Popov, C. Wolhuter, M. Mihova & J. Ogunleye, Sofia: Bulgarian Comparative Education Society & Bureau for Educational Services.]