I didn't worry too much about reaching the word limits when I completed my Vanderbilt secondary. I think my ~2000 word autobiography is a little over a 1000 words; I mean, there are real people reading these things, and I'm sure they're going to be more amenable to something to gets the message across in a well-written 1000 words rather than drifting through the topic simply in order to get to 2000 words.
Not to mention, the two shorter essays..."what unique qualities etc." vs. "what research or scholarly activity"...I wrote my unique qualities essay about all my research and filled 500 words with that and was screwed on the next one because it completely overlapped my prior essay. 150 words. 🙂
The truly epic secondary is Duke...ow.