Admissions
5 Common Graduate School Application Mistakes (and How to Avoid Them)

I've read thousands of graduate school applications, across online, in-person, STEM-designated, accelerated, and executive programs. I've reviewed applicants straight out of college and applicants with 20+ years of professional experience. The lesson that holds across all of them: application mistakes happen to anyone.
Here are the five mistakes I see most often, and how to avoid them in your future graduate school applications.
- Skipping the Supplemental Essay When You Need It
Most schools require essays, but there's often an optional section as well, and applicants skip it more often than they should. If something in your application needs explaining, this is the space to do so: a gap in your employment history, a leave of absence, or a grade that doesn't reflect your ability.
This isn't about making excuses. It's about giving the admissions committee the context to make an informed decision instead of guessing. - Choosing a Recommender Who Doesn't Know You
Strong relationships with faculty, supervisors, and managers take real work to build. That effort pays off in your career, but also directly in your application's letters of recommendation.
Few things weaken an application like a letter that says "I don't know this applicant well" or "they never came to office hours, so I can't speak to their abilities." Letters like that raise more questions than they answer.
The letters that strengthen an application come from people who can point to specific examples: your work ethic, your leadership, your potential. Build those relationships before you need the letter. - Leaving Experiences Off Your Resume
Don't hide your experience. Full stop.
Some applicants come in with internships, student leadership, and volunteer work that map neatly onto their target program. Others are changing careers and starting over. Others worked unrelated jobs throughout college because unpaid internships weren't an option.
Every one of those experiences shaped you. They built communication skills, time management, leadership, teamwork, and problem-solving. Use your resume to show that. At NYU Wagner, we look for well-rounded applicants committed to public service, and there's no single path that gets you there. - Not Answering the Essay Prompt
Essays tell us who you are, what you want, and why our program specifically. In my opinion, that last part is where applicants stumble most: submitting the same generic essay to every school.
Admissions professionals can tell. If your essay doesn't answer the prompt, it tells us you didn't take the time to understand the assignment or tailor your application. That's the wrong impression to leave. - Naming the Wrong School
This is the most avoidable mistake on the list, and the most frustrating one to encounter. We know you're applying to multiple schools. But when your essay names a different one, it signals carelessness and undermines everything else you've written.
Slow down. Proofread. Check the details before you hit submit.
The Bottom Line
Applications can feel overwhelming, but the most common mistakes are also the most fixable! Give yourself time to reflect, write with intention, and review your materials before submitting. We're not looking for perfection. We're looking for applicants who are prepared, self-aware, and genuinely invested in their goals. A little extra attention goes a long way.
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