The "why us" essay is genuinely in flux right now, and that context changes how you should think about writing one. Several major schools -- Yale's "Why Yale," Tulane's "Why Tulane" -- dropped these essays recently, and AI-generated writing making generic answers trivial to produce was part of the reason. That means the schools that kept this essay are almost certainly reading it more skeptically now, not less -- they know exactly what a generic, could-apply-anywhere answer looks like, because it's the specific failure mode that pushed other schools to drop the prompt entirely.
Why schools ask this at all
For schools that track demonstrated interest, the "why us" essay is one of the clearest written signals of genuine intent they get. It's how an admissions office distinguishes a student who's actually researched the school and sees it as a real fit from one who's applying because of rank, a parent's suggestion, or as a backup entry on a long list. That's also exactly why a generic answer costs you more here than in almost any other part of the application -- it directly undercuts the one thing this specific essay is supposed to prove.
What real prompts are actually asking for right now
Current prompts have gotten more specific, not less -- which is worth understanding before you write, since it changes what a good answer even looks like:
Northwestern's current optional prompt (200 words) asks: "Painting 'The Rock' is a tradition at Northwestern that invites all forms of expression... What would you paint on The Rock, and why?" That's not answerable with generic praise about academics or campus beauty -- it requires you to already understand a specific campus tradition and connect it to something real about yourself.
Tufts asks applicants to describe how they've learned about and engaged with Tufts during their college search process (75-150 words) -- not just what you like about Tufts, but the actual process of how you found that out. That's a prompt specifically designed to be hard to fake generically, because it's asking you to document real research, not conclusions you could have reached from a brochure.
Prompts like these are exactly the kind admissions offices design when they want to filter out the generic, swap-the-school-name answer -- worth keeping in mind for any "why us" prompt you're answering, even a more traditional one.
The core principle: specificity that couldn't apply anywhere else
The single biggest test of a "why us" essay: could this paragraph be dropped into an essay for a different school with only the name changed? If yes, it's not doing its job. Avoid generic claims that could describe almost any selective school -- rankings, "beautiful campus," "strong reputation," "diverse student body." Replace them with specifics: a named program, a specific research center or lab, a professor whose work you've actually looked into, a class you found in the course catalog, a tradition, or a genuine interaction you had with a current student, alum, or professor during your research process.
The mail-merge trap
Reusing the same core essay across multiple schools and just swapping the name is one of the most common mistakes, and it's also one of the easiest for an experienced reader to spot -- especially now, when readers are primed to notice exactly this pattern after watching AI make it trivially easy to produce. If you're adapting one essay for multiple schools, don't just change the name -- change what you're actually referencing, since the specific details are the entire point.
A useful structural heuristic
Most guidance on this converges on the same rough balance: weight your answer primarily toward academic specifics -- programs, courses, research, faculty -- with some room for the social and community side of the school, rather than an essay that's purely about campus vibes or, just as often, purely a list of your own achievements with only a loose connection to the school itself. The goal is a two-way fit: what you'd bring, and specifically what that school -- not colleges in general -- would give you access to.
What this means for you
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Research the actual current prompt for each school directly -- as Northwestern's and Tufts' prompts show, schools are increasingly designing these to be hard to answer generically, so treat each one as genuinely different, not a template with the name swapped.
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Never reuse a paragraph verbatim across schools. If you're adapting one core essay, change the actual substance, not just the name -- that exact pattern is what readers are trained to catch.
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Ground every claim in something specific and checkable -- a named program, professor, course, or tradition -- rather than an adjective that could describe any selective school.
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Take this essay seriously specifically where it still exists. Its disappearance at some schools and survival at others isn't random -- the schools that kept it are asking on purpose, and reading it with exactly the AI-generated-genericness problem in mind that caused other schools to drop it.
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The same specific, checkable knowledge that makes this essay work also makes a college interview go well -- if you've already done the research for one, you've done most of the prep for the other.
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This is one step in the larger process, not a standalone task -- see the complete step-by-step guide to applying to college for how it fits with everything else, and where you are in the sequence.