International middle school refers to a school that provides international education for students, and its curriculum, teaching methods and teachers are different from ordinary middle schools in China. The following are some well-known international middle schools:

1. Shanghai American School (SAS): Founded in 19 12, it is one of the oldest international schools in Asia, providing education from kindergarten to high school.

2. Beijing Yaozhong International School: Founded in 1932, it is one of the largest international schools in Asia, providing education from kindergarten to high school.

3. United World College Singapore (UWCSEA): Founded in 197 1, it is one of the youngest international schools in the world, providing education from kindergarten to pre-university.

4. Hong Kong Han Ji International School: Founded in 1957, it is one of the earliest international schools in Hong Kong, providing education from kindergarten to senior high school.

5. DulwichCollege, London, UK: Founded in 16 19, it is one of the oldest private boarding schools for men in the world, and also provides boarding and daily education for women.

These international middle schools have rich teaching experience and excellent teachers, and can provide students with high-quality international education. Choosing an international middle school that suits you needs to consider many factors, such as the school's geographical location, tuition fees, curriculum and so on.