These are pictures of various bathrooms (and other water fixtures) from around campus. If you take the buildings in each set and look at them on a map, they form letters:
|One||2-063, 8-313, and 4-301||S|
|Two||5-116, 1-167, 7-207||E|
|Three:||5th West of Baker House (bldg W7)||M|
|Four||3rd East of East Campus (bldg 64)||I|
|Five||33-306 and 35-428||T|
|Six||Hacker's Shower in building 14||O|
|Seven||Bexley Hall (bldg W13), basement [rotated 90 degrees]||N [lowercase]|
|Eight||4th West of EC (bldg 62), 18-264, Bldg 56 sub-basement, 54-1831, 66-447||A|
The answer is SEMITONAL.
The last line of flavortext refers says to "shut the door," which is the second line of the nursery rhyme about shoe-buckling. In the language of that puzzle, SEMITONAL is the word for ONE HUNDRED FIFTY, which is the answer.