Answer:
C. To close the achievement gap
Step-by-step explanation:
The primary objective of no child left behind.
To make ensure every student achieves important learning goals by well-trained teachers in safe class-rooms.
In No Child Left Behind, "Public schooling" is required in the state department of education, teachers, and administrators.
It advocates closing the gaps between economical advantaged and economically weaker students who are from different communities, races, and ethnic backgrounds.