Any good songs for me to sing at my school. plz answer?

my music teacher is allowing us to do solo's, duets, trios, and quartets on any Appropriate songs... im gonna do it solo but dont know a good song to sing.... i was thinking about amazing grace but i decided not to do it... any other songs!!!!! PLEASE I REALLY NEED UR HELP. AND THERE WILL BE A BEST ANSWER... ANY SUGGESTIONS WILL DO!