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

1. Identify the weak areas: Understand which aspects of English are challenging for you, such as grammar, vocabulary, or listening comprehension.

3. Practice regularly: Use textbooks, online resources, or apps to practice English every day. Repetition is key to mastering a new language.

4. Immerse yourself in English: Watch English movies, listen to English songs, and read English books or articles to improve your understanding and vocabulary.

6. Keep track of progress: Regularly assess your improvement by taking quizzes or tests. This will help you identify areas where you need more practice.

7. Don't be afraid to make mistakes: Learning a new language involves trial and error. Embrace each mistake as a step toward improvement.

By following these tips, you can gradually improve your English skills and achieve better grades in junior high school.