the student has surpassed his or her teacher

an aloha shirt

sleeveless undershirt, singlet, vest, tank top

a T-shirt

a polo shirt

a dress shirt / a long-sleeved button-down shirt

blue / immature, unripe, young / green / publication, record / east / cyan

one of three primary colors / a shade of blue to blue green / (dated) green / Short for 青信号 (ao-shingō): green light (traffic light color, as the color of plants)

unripe, young

a female given name / a surname