The Outcasts of Poker Flat is an excellent example of Naturalism. This literary movement deals with high realism and often determinism based on your social status that can supposedly never change.
So you have to I am writing to inform thats the way to write it
Focus on the benefits of the talent show and what students can gain by joining. These could include an opportunity to perform into others, if there is a prize to be won etc. It is best to focus on things that your fellow classmates could gain by joining the talent show, and hopefully they will decide to sign up. Also making the piece interesting and different will also help to attract interest.
They collect the stones and put them in piles