Earlier quoted context omitted.
That won't work for young kids if the parents have to go to work by 9.
If a high schooler needs to be driven to school by their parent, there is a serious street safety/transit problem which should be solved.
A plurality ~35% of high school students are driven to school, though not necessarily by a parent.
https://journals.sagepub.com/doi/abs/10.1177/0739456X1772514...
https://www.bloomberg.com/news/articles/2019-05-07/how-dista...
EDIT: This is nationwide, there's reason to believe this percentage is probably higher in California.