From Knowledge-Centric to Thinking-Centric Education
Kotoba no Mori Co., Ltd. has renewed its 'Japanese Composition Test', combining AI content evaluation with a patented vocabulary assessment to reduce teacher workload and boost student writing skills.
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- 📰 Published: April 6, 2026 at 02:08
- 🔍 Collected: April 5, 2026 at 17:30
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In the educational field, knowledge-centric instruction is spreading due to the ease of evaluation.
However, the coming era demands thinking ability, and making composition learning a daily habit is effective for its cultivation.
Kotoba no Mori Co., Ltd. has renewed the 'Japanese Composition Test' by combining content evaluation by AI and vocabulary evaluation using a patented proprietary algorithm. This achieves both a reduction in teachers' burden and an improvement in students' composition skills simultaneously, resolving the black-box nature that was an issue with conventional AI evaluation.
## ■Two Reasons Why Composition Education Does Not Spread
Composition education has long faced two challenges.
One is the subjectivity of evaluation. In instruction where the basis for evaluation is left to the teacher's subjectivity, students' motivation to learn does not last.
The other is the burden on teachers. Because correcting and commenting takes a lot of time, daily composition instruction cannot be provided.
## ■A New Evaluation Method Changes Composition Education
The composition test consists of the following two pillars.
First is the content evaluation by AI. It reads the content of the student's composition and returns warm comments.
Second is the vocabulary evaluation by a proprietary algorithm. It objectively quantifies the vocabulary skills used in the composition. (Patented)
Vocabulary evaluation has a track record of over 103,000 evaluations to date (according to our company's database), and it has been revealed that there is a high correlation with human evaluation.
Through these two evaluations, students get a clear direction for their learning via objective feedback and can proactively engage in composition learning.
Furthermore, teachers are freed from correction work, making it possible to provide guidance by deeply reading students' compositions.
There are other composition evaluations using AI, but because those AIs evaluate sentences each time, there is a problem that the results tend to fluctuate. Also, because the evaluation is done in a black box, it cannot be utilized for subsequent instruction.
## ■Overview of the Composition Test
Target: 1st grade elementary school to 3rd grade high school (Grade 12 to Grade 1)
Implementation method: Submit handwritten composition -> We convert it to text -> Implement content evaluation and vocabulary evaluation.
Schedule and venue: Test-taking organizations can set them independently (all exchanges of assignments and evaluations are done online)
Examination fee: 3,800 yen per time (Exclusive for group examinations, 10 or more people)
Assignments: New assignments provided every month. For example, an annual plan combining 3 to 4 tests a year with daily composition instruction can be created.
## ■Composition Education Will Change Japanese Education
Our company firmly believes that the spread of composition education is the key to changing Japanese education from knowledge-centric to thinking-centric. We want to work to spread composition education in Japan and help the educational shift from a knowledge-centric approach to one that emphasizes thinking skills.
## ■Company Profile
Kotoba no Mori Co., Ltd. Representative: Katsuaki Nakane
Location: 4-4-9 Higiriyama, Konan-ku, Yokohama City
## ■Evaluation Sample Page (6 pages in total)
https://www.mori7.com/sk/hyouka_sample.php
## ■Conceptual Diagram
## ■Contact
Japanese Composition Test Representative: Katsuaki Nakane
Phone: 045-353-9061 (Weekdays 8:00-16:00) Mobile: 080-6523-5004
Email: yama@mori7.com
However, the coming era demands thinking ability, and making composition learning a daily habit is effective for its cultivation.
Kotoba no Mori Co., Ltd. has renewed the 'Japanese Composition Test' by combining content evaluation by AI and vocabulary evaluation using a patented proprietary algorithm. This achieves both a reduction in teachers' burden and an improvement in students' composition skills simultaneously, resolving the black-box nature that was an issue with conventional AI evaluation.
## ■Two Reasons Why Composition Education Does Not Spread
Composition education has long faced two challenges.
One is the subjectivity of evaluation. In instruction where the basis for evaluation is left to the teacher's subjectivity, students' motivation to learn does not last.
The other is the burden on teachers. Because correcting and commenting takes a lot of time, daily composition instruction cannot be provided.
## ■A New Evaluation Method Changes Composition Education
The composition test consists of the following two pillars.
First is the content evaluation by AI. It reads the content of the student's composition and returns warm comments.
Second is the vocabulary evaluation by a proprietary algorithm. It objectively quantifies the vocabulary skills used in the composition. (Patented)
Vocabulary evaluation has a track record of over 103,000 evaluations to date (according to our company's database), and it has been revealed that there is a high correlation with human evaluation.
Through these two evaluations, students get a clear direction for their learning via objective feedback and can proactively engage in composition learning.
Furthermore, teachers are freed from correction work, making it possible to provide guidance by deeply reading students' compositions.
There are other composition evaluations using AI, but because those AIs evaluate sentences each time, there is a problem that the results tend to fluctuate. Also, because the evaluation is done in a black box, it cannot be utilized for subsequent instruction.
## ■Overview of the Composition Test
Target: 1st grade elementary school to 3rd grade high school (Grade 12 to Grade 1)
Implementation method: Submit handwritten composition -> We convert it to text -> Implement content evaluation and vocabulary evaluation.
Schedule and venue: Test-taking organizations can set them independently (all exchanges of assignments and evaluations are done online)
Examination fee: 3,800 yen per time (Exclusive for group examinations, 10 or more people)
Assignments: New assignments provided every month. For example, an annual plan combining 3 to 4 tests a year with daily composition instruction can be created.
## ■Composition Education Will Change Japanese Education
Our company firmly believes that the spread of composition education is the key to changing Japanese education from knowledge-centric to thinking-centric. We want to work to spread composition education in Japan and help the educational shift from a knowledge-centric approach to one that emphasizes thinking skills.
## ■Company Profile
Kotoba no Mori Co., Ltd. Representative: Katsuaki Nakane
Location: 4-4-9 Higiriyama, Konan-ku, Yokohama City
## ■Evaluation Sample Page (6 pages in total)
https://www.mori7.com/sk/hyouka_sample.php
## ■Conceptual Diagram
## ■Contact
Japanese Composition Test Representative: Katsuaki Nakane
Phone: 045-353-9061 (Weekdays 8:00-16:00) Mobile: 080-6523-5004
Email: yama@mori7.com