Meta:Training/core/More about DYK
You can read more about the Did You Know process in general, or check out the step-by-step instructions if you think you'd like to try it.
Be sure you understand the requirements and conventions of the "Did you know" process before submitting your article. Your instructor or any experienced editors working with your class may be able to help; for large classes, it's often best to spread out nominations over a few days or even a few weeks, to avoid overburdening the review process.