VOA慢速英语:Blacks, Latinos Score Lower on Tests than Whites, Asians

gap – n.  a space between two people or things​

score - v. to earn or get points as on a test

challenge - n. a difficult task or problem; something that is hard to do

excel – v. to be better than others — usually + at or in

segregate – v. to separate groups of people because of their particular race, religion, etc.

graduate - v. to earn a degree or diploma from a school, college, or university

low-income - adj. earning a low amount of money; poor

asthma – n. a physical condition that makes it difficult for someone to breathe

achievement – n. a skill or ability gained by practice or training

confidence - n. a feeling or belief that you can do something well or succeed at something

comfortable - adj. allowing you to be relaxed : causing no worries, difficulty, or uncertainty