In many 'truth or dare high school stories', there are the best friends. They might be the ones who support each other through the embarrassing truths and difficult dares. For example, if one friend is dared to do something really embarrassing, the other friends will be there to laugh with them but also make sure they don't feel too bad. And sometimes, there are the new kids in school who are introduced to the game and their fresh perspective and nervousness can change the course of the game.
Typically, there are the popular kids like the quarterback of the football team and the head cheerleader. They often play important roles as they are the ones who usually initiate the 'truth or dare' games.
There could be the shy, nerdy kid as well. This character might be reluctant to participate at first but then gets drawn into the game. Their reactions to the truths and dares add an interesting dynamic to the 'truth or dare high school story'. There may also be the class clown, who always comes up with the wildest dares and truths, making the story full of laughter.