1. Japanese Language Schools in Japan

Most Japanese language schools in Japan fall under the category of specialised training institutions (Kakushugakkō), officially licensed within the national education system. These institutions are dedicated to teaching Japanese to international students. While they are not universities or colleges, they play a foundational role in students’ academic and career pathways in Japan.

However, not all schools are eligible to enrol international students.

2. Mandatory Legal Requirement: Schools Must Be on the “KOKUJI” List

According to the Ministry of Justice Japan (MOJ), only schools listed as “KOKUJI” (officially designated institutions) are authorised to:

• Enrol international students

• Sponsor applications for a Certificate of Eligibility (COE)

This means that if a school is not on this list, students cannot obtain a student visa, regardless of how attractive the programme may appear.

3. Practical Classification by the Immigration Authority

In practice, the Immigration Services Agency of Japan (ISA) does not publicly label schools as “Type 1” or “Type 2”. However, during the COE assessment process, schools are effectively evaluated and categorised based on risk levels.

Key evaluation criteria include:

• Student overstay/absconding rates

• Compliance with regulations

• Student management systems

• Institutional track record

As a result, the market broadly recognises three groups: high-quality schools, mid-tier schools, and higher-risk schools.

4. Classification of Japanese Language Schools (2026 Practice)

High-quality schools (commonly referred to as “Type 1”)

These schools maintain very high COE approval rates, strict student management, and minimal violations. Entry requirements are typically higher, especially regarding Japanese proficiency and academic performance. In return, students benefit from greater visa stability and clearer academic or career pathways.

Mid-tier schools (commonly referred to as “Type 2”)

These are still legitimate KOKUJI-listed institutions but operate at a moderate level of stability and control. COE approval rates remain relatively good, though applications may be more closely scrutinised, particularly for weaker profiles. This group is suitable for students with average academic backgrounds seeking a balanced and safer option.

Higher-risk schools

This group requires careful consideration. Such schools often show higher overstay rates, weaker management, or overly lenient admission practices. Although they may still be legally recognised, COE approval rates tend to be unstable, and students face higher risks during study and visa renewal stages.

5. Core Evaluation Criteria Used by Japan

The Japanese system does not rely on branding or marketing reputation. Instead, it focuses on three core factors:

• Compliance: The school’s ability to manage students and fulfil reporting obligations

• Overstay Risk: Measured by violation rates and improper part-time work practices

• Credibility: Institutional history and visa approval performance over time

These factors directly influence whether a COE application is approved.

6. Key Trends from 2026

Under the direction of the Ministry of Education Culture Sports Science and Technology Japan (MEXT), the Japanese language education sector is undergoing stricter quality control.

Japanese language requirements are being tightened, study intentions are more closely examined, and lower-quality institutions are gradually being filtered out. As a result, application preparation—particularly Japanese proficiency—has become increasingly critical.

7. How to Choose the Right School

Choosing a school should not be based on intuition or tuition fees alone, but on alignment between the student’s profile and the school’s requirements.

Students with strong academic records and Japanese ability should prioritise high-quality schools to maximise visa success and long-term opportunities. Those with average profiles should consider suitable mid-tier schools for a balanced and stable pathway. For weaker profiles, improving Japanese proficiency before applying is a more effective strategy than opting for an “easy-entry” school.

Choosing a Japanese language school is not merely about selecting a place to study; it directly impacts visa approval and long-term stability in Japan. Understanding the classification system, verifying legal status, and aligning with one’s personal profile are essential steps to making the right decision and building a sustainable future in Japan.

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