Re: 1920-1924 nursing school,

hello, and thank you, I'm now rereading my favorite genealogy places.
History story about my Grandmother: margaret marie Erickson
was she work with and for the Mayo Brothers, in Minnesota.
While working with and for the Mayo Brothers, she and a few other nurses went to Wyoming, for the summer and returned to Minnesotaa.By 1924 Grandmother left Miinnesota.
For a short few years until her divorce she was married to a Mr. Martin.?
I'm am thankfull if anyone can help with any nursing school information.
Grandmother told stories how she hated nursing schools, and often did not go to class.She went to school, not classes and one time hid in a empty classrooms from the catholic nuns.(parents encourage-insisted Margareta go to nursing school.)