Wiktionary
n. A trade school which offers training in cosmetology.
Wikipedia
Beauty School is the name of a band consisting of ex- EMF frontman James Atkin, ex- Fluke singer Rachel Stewart, and Elastica drummer Justin Welch.
Usage examples of "beauty school".
She'd learned to care for her skin in Madame Alexandra's Beauty School in Lamont, where she'd graduated third in her class and had the certificate to prove it.
She'd already heard that there were courses you could take, other than beauty school and learning to make brooms and license plates, which was somewhat less useful.
This hairbrush alone is going to put thousands of little Florians through beauty school.
She had gone to the beauty school in Bentley, taking with her a picture from a magazine, and had asked the girl to cut her hair exactly like that.