box and whisker graph

This is known as a box and whisker chart, which display the four quartiles. The area between the top green line and the green box is the 1st quartile, the green box is the 2nd quartile, red box is 3rd quartile, and between red box and bottom red line is the last quartile. In this example, the specific student is the yellow circle, showing that they scored in the 1st quartile compared to the rest of the class.