To self-study English at the junior high school level, you can follow these steps:

1. **Set Goals**: Determine your learning objectives, such as improving speaking, writing, or reading skills.

3. **Vocabulary Building**: Regularly learn new words and phrases to expand your English lexicon. Use flashcards, word games, or vocabulary apps for practice.

4. **Practice Listening**: Immerse yourself in English-speaking content, such as podcasts, movies, or songs, to improve your listening comprehension.

6. **Writing Exercises**: Write down what you hear, read, or think in English to practice expressing yourself clearly.

7. **Speak Out Loud**: Speak English as much as possible, whether by talking to yourself, recording your voice, or joining an online language exchange platform.

8. **Regular Review**: Review what you've learned regularly to consolidate your knowledge and identify areas for improvement.