This is an English version of the "When I Became a Teen" story. Below are the key points from the original Chinese text:

1. Middle School (7th Grade):
   The protagonist was still a middle school student and faced challenges such as being late to class, carrying unnecessary books home, and feeling unfulfilled in relationships.

2. High School (8th Grade):
   The protagonist became a more responsible and mature teenager. They learned to prioritize their actions and handle situations with empathy and maturity.

3. 9th Grade (high school):
   The protagonist was a rising star, becoming someone who made meaningful connections and contributing to positive relationships. They were also less dependent on others for happiness.

4. 10th Grade:
   The protagonist became an "expanding teenager," learning new skills, joining clubs, and engaging with peers more deeply in class. They began to take an active role in their community.

5. 11th Grade:
   The protagonist grew into a slightly older teen who was still developing independence but already showing signs of maturity. They were capable of making decisions on their own while being attentive to others' well-being.

6. 12th Grade (high school):
   The protagonist became an "expanding teenager," with the ability to make independent choices and lead in relationships. They were also developing a sense of self-awareness, understanding that growth requires self-reflection and action.

The story continues with the protagonist becoming more of a mature teen as they learn about themselves, make connections on their own, and grow emotionally. Each chapter builds on this theme, showing how personal development and maturity evolve over time.