What commitments do you have and what can you realistically manage?
How do you plan to deal with transportation? What is close for you?
What schedule would work best for you?
What tasks would be fun or interesting for you?
What job can you do now that may help you explore long term interests?
Is the application online or on paper?
Do you need a resume, cover letter, or work sample?
What adults would you trust to give you a good recommendation to employers?
Do you have the documentation you need, such as an ID card?