Write a story about a high school student who discovers they have a hidden talent for magic

Write a story about a high school student who discovers they have a hidden talent for magic. As they navigate the challenges of balancing their schoolwork and training in secret, they must also keep their newfound abilities hidden from their friends and family. But when a mysterious threat emerges that only they can defeat, they must decide whether to continue hiding their true identity or embrace their destiny as a powerful magician.