Busing is no doubt a reasonable method of serving students from diverse backgrounds.
In the early America, people from low socioeconomic backgrounds were not given equal opportunities to Educations and Work. But after several years of struggle from socialites, the court ordered to bring equal opportunities for every person living in the country. So to do it practically, court ordered to start many programs, in which of them was to start a bus service which later termed as busing, which would carry students from low socioeconomic backgrounds to the schools which they cannot think or afford to attend. This was all done to put the racial diversity in balance.
The <em>pivot point </em>is that moment in a character's becoming when their situation changes and the conclusion of the story starts to become foreseeable.
<em>It's like "a turn of fate" and the main idea/ lesson of the story is revealed. </em>