VOA慢速英语:美国最好的高中应该是怎么样的?

proud - n. very happy and pleased because of something that was done

principal - n. the leader of a school

challenge - v. to test the ability, skill, or strength of someone

potential - n. a quality that something has that can be developed to make it better

diversity - n. the state of having people who are different races or who have different cultures in a group

lottery - n. a system used to decide who will get or be given something by choosing names or numbers by chance