Shop Old Navy’s plus size uniforms to discover quality, classic elements that will flatter your figure. From our popular khakis, to our comfortable ballet flats, to our warm cardigans, we have the women’s plus size school uniforms you need for school that will fit your personal style. Shop the plus size school uniforms at Old Navy for an outfit that is comfortable and fits your dress code. Choose a plus size uniform from Old Navy and you’ll never be too cool for school. Our plus size uniforms are the perfect option for highlighting your best features in a formal environment.