How can I convince my mom to let me go on this trip?

point out to your mom how responsible you have been. youre obedient, you help out with chores, you dont break curfew and you get good grades. let her now that you will make up the school work and tell her if you dont you will give up the tv and phone for a week. point out to here that only a selected few were chosen to go on the trip and why you were one