To improve your English proficiency in junior high school, you can follow these steps:

1. Consistent practice: Regularly study and use English to build fluency. This includes reading, writing, listening, and speaking.

3. Vocabulary building: Learn new words daily and use flashcards or an app to help you remember them.

4. Grammar: Focus on mastering basic grammar rules, as they are the foundation of clear communication.

6. Speaking: Practice speaking English by participating in class discussions, joining language exchange groups, or using voice chat apps.

7. Keep a journal: Write down your thoughts, feelings, and experiences in English to improve your writing skills.

8. Feedback: Seek feedback from teachers or peers on your English skills and use it to improve.