Sentence:  An examination of some forty catalogs of schools offering courses in interior design , for the most part schools accredited by membership in the National Association of Schools of Art , and a further `` on the spot '' inspection of a number of schools , show their <WSD>courses</WSD> adhere pretty closely to the recommendations . 
Meaning of the word marked with <WSD> tags:  education imparted in a series of lessons or meetings