It is a simile because it is a figure of speech involving the comparison of one thing with another thing of a different kind, used to make a description more emphatic or vivid.
Here’s some ideas to help you on what to write about:
1. Describe what you are involved in, clubs, sports, hobbies, etc!
2. Tell your principal about your accomplishments
3. Tell your principal about your goals and how you plan to accomplish them
What myth is it talking about??
