Quiz Game is usually conducted during Kizuna Festiwal in order to provide an opportunity to Japanese learners from all schools in Cambodia to compete their ability of Japanese language knowledge and general knowledge with each other, and it is also for building a good relationship between Cambodia and Japan. The purposes of this event strengthen the general knowledge about Khmer and Japan, and to build a good networking between CJCC and other Japanese schools.

The Japanese Speech Contest in Cambodia aims to sharpen and give an opportunity to Cambodian students to show their knowledge and talent of Japanese language via the contest. The Japanese Speech contest is generally organized every year in May by gathering all Japanese learners in Cambodia to join the contest. The contest is conducted under the sponsorship of Royal University of Phnom Penh, Japan Embassy in Cambodia, Cambodia-Japan Cooperation Center and other participants.

The ceremony was organized to provide the certificate of commendation as well as certificate of graduation to the students. Moreover, this ceremony is also conducted to strengthen good networking and to build a good relationship between CJCC and students, and student and student. This ceremony is usually conducted twice a year.