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Chalk it up: Students transform blackboards into art
25 Jul
Summary
- Annual contest challenges Japanese high school students to create art on blackboards.
- Artworks are collaborative, showcasing creativity and teamwork among students.
- The competition began in 2015, initiated by a Japanese blackboard manufacturer.

The 'Kokuban Art Koshien' is a national chalk art championship for Japanese junior and high school students. This annual event, which typically takes place over summer break, sees approximately 300 schools participate by creating art on blackboards. These artworks are often collaborative, involving multiple students working together.
The art spans a wide range of subjects, from energetic depictions of animals and popular culture to reinterpretations of famous paintings like Hokusai's Mount Fuji. Students are encouraged to be experimental, using chalk in innovative ways to create detailed and often dreamlike scenes. This approach offers a different artistic outlet compared to traditional mediums like oil painting.
Established in 2015 by Nichigaku Co., a Tokyo-based blackboard manufacturer, the contest judges entries based on photographs due to the impracticality of moving the blackboards. The initiative grew from a realization that blackboards could be more than just writing surfaces, inspired by existing blackboard art within the Japanese school system.
Participation in the contest emphasizes teamwork and problem-solving, as students navigate differing opinions during the creative process. For many, the experience strengthens friendships and teaches valuable lessons about impermanence and perseverance, as their creations are eventually erased.
Nichigaku hopes to eventually expand the contest internationally, allowing more students worldwide to engage with blackboard art. The competition, while not a direct marketing tool, has seen some participants go on to become professional artists, a source of pride for the company.