Looking on the internet deeply has found these results:

She is at kelley school of business. is the most popular phrase on the web.

She is in kelley school of business. 11,580,000 results on the web	She is at kelley school of business. 12,430,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Ryan's about to attend the Michael Scott School of Business. These establishments fear a loss of business. I am a graduate of the Wharton School of Business. This was considered appropriate for this type of business. $170 million worth of business. El Segundo School of Finance, we take care of business. Coffee is the official beverage of business. He says he plans to return to his teaching post... at Columbia's Graduate School of Business.	Ryan's about to attend the Michael Scott School of Business. This was considered appropriate for this type of business. Coffee is the official beverage of business. El Segundo School of Finance, we take care of business. These establishments fear a loss of business. $170 million worth of business. He says he plans to return to his teaching post... at Columbia's Graduate School of Business. I am a graduate of the Wharton School of Business.

She is in kelley school of business.

11,580,000 results on the web

She is at kelley school of business.

12,430,000 results on the web

More popular!

Ryan's about to attend the Michael Scott School of Business.
These establishments fear a loss of business.
I am a graduate of the Wharton School of Business.
This was considered appropriate for this type of business.
$170 million worth of business.
El Segundo School of Finance, we take care of business.
Coffee is the official beverage of business.
He says he plans to return to his teaching post... at Columbia's Graduate School of Business.

Ryan's about to attend the Michael Scott School of Business.
This was considered appropriate for this type of business.
Coffee is the official beverage of business.
El Segundo School of Finance, we take care of business.
These establishments fear a loss of business.
$170 million worth of business.
He says he plans to return to his teaching post... at Columbia's Graduate School of Business.
I am a graduate of the Wharton School of Business.