Monydad,
I am a believer in going directly to the source for information. Check out the following pages at the Northwestern website:
This is the home page for the department of dance:
www.communication.northwestern.edu/dance
Northwestern does offer a dance major through the department of theatre, which is housed in the School of Communication.
The following links also give some information on the dance courses available and the requirements in dance for both students pursuing the music theatre certificate through the school of music or the department of theatre:
http://www.registrar.northwestern.ed.../crsch0507.pdf http://www.registrar.northwestern.ed...ommcat0507.pdf
My reading tells me that MT students pursuing certification through the school of music take 3 dance classes and MT students pursuing certification through the department of theatre take 6 dance classes.
I'm sorry that I do not have any 1st had knowledge about Northwestern and their dance program, but perhaps perusing the dance department site will tell you what you want to know about their dance training.