以下是关于如何写介绍学校同学的英文作文的方法：

1. 开头引出同学

Start your composition by introducing the classmate. You can mention their name and briefly say how you know them. For example, \I have a classmate named [Name], and we met in our math class.\

2. 描述外貌特征

Describe their physical appearance. Mention things like their height, hair color, eye color, and any distinctive features. \He is tall and has short black hair. His big eyes always shine with curiosity.\

3. 介绍性格特点

Write about their personality. Are they friendly, funny, quiet, or hardworking? \She is very friendly and always has a smile on her face. She is also very helpful and kind to everyone.\

4. 讲述兴趣爱好

Talk about their hobbies and interests. This can give readers a better understanding of who they are. \He loves playing basketball and spends most of his free time on the court. She enjoys reading and often shares her favorite books with us.\

5. 提及学习表现

You can mention their performance in studies. Are they good at certain subjects or do they have a unique way of learning? \She is excellent in science and always gets high marks in exams.\

6. 总结收尾

Conclude your essay by summarizing your impression of the classmate or expressing your feelings about them. \Overall, [Name] is a wonderful classmate and I'm glad to have him/her in my class.\ Remember to use simple and clear language, and organize your thoughts logically. Also, try to use some adjectives and adverbs to make your description more vivid.