Answer:
Performance of minority groups has increased
Step-by-step explanation:
NCLB stands for No Child Left Behind. It was a program created by the Congress to help disadvantaged students get through their school.
This act mostly aimed for minority groups students. The reason being, minority students often came from lower income family. This tend to be associated with lesser attention from the parents, lack of proper nutrition, and social discrimination that they have to pass everyday. All of these contribute to their lower grade.
Ever since the NCLB was enacted, performance of students from minority groups has increased. This also reflected in their increasing average salary as they entered the job market.