1. Proof of language proficiency: Most Thai universities require international students to provide proof of English proficiency, such as TOEFL or IELTS scores. These grades are usually submitted as part of the application process. The specific score requirements vary from school to school and major, but generally speaking, TOEFL scores need to be above 80 and IELTS scores need to be above 6.0.
2. Course Requirements: If the major you plan to study in Thailand is English teaching, then you need to have enough English listening, speaking, reading and writing skills. This may mean that you need to reach a certain level of English in order to understand and participate in class discussions.
3. Adapt to life: In addition to academic requirements, you need to have enough English ability to cope with daily life. This includes communicating with local people, understanding road signs and menus, and handling other daily affairs.
4. Visa requirements: Applying for a visa in Thailand may require proof of English proficiency. The specific requirements may vary according to the visa type and the nationality of the applicant.
Generally speaking, studying in Thailand requires a certain level of English. This is not only to meet the academic requirements, but also to ensure that you can smoothly adapt to life and study in Thailand. Therefore, if you plan to study in Thailand, you'd better make preparations in advance to improve your English.