1. academic performance: academic performance is the most important consideration when applying. Therefore, we should maintain excellent academic performance in middle school, and at the same time show enthusiasm and pursuit for our studies.

2. Letter of recommendation: You can ask the middle school teacher to write a letter of recommendation describing your academic achievements and potential.

3. Competition or project experience: Participating in academic competitions or independent project experience can prove your talent and efforts in a specific field.

4. Interview performance: If the school requires an interview, you should be fully prepared to show your academic ability, communication ability and leadership.

5. Personal advantages: If you have special talents or interests, such as music, sports and art, you can also show them when you apply.

Please note that the specific application procedures may vary by school and region. It is recommended to consult Guiyang 19 Admissions Office directly to obtain the latest enrollment information and application requirements.