Sentence:  A Type-A &mdash; make that A-plus &mdash; overachiever, even by New York standards, she skated competitively as a kid, finished M.I.T. in three and a half years, and tested out of a chunk of her <WSD>courseload</WSD> at Columbia Business School. 
Meaning of the word marked with <WSD> tags:  The workload involved in an academic course.