your family was poor and you couldn't affor to travel too much everyday. Which meant it would have been impossible for you to get into high school, since there wasn't any regular high school in close reach. But you needed the education, so your parents signed you up to the full boys high school in town. It was near, but you had to disguise as a boy. It was going to be tough

It's the first day in your new school. You got a wig and the boy uniform, oversized, so your feminine form is hidden