Before looking at the RSI application, I felt like I had a decently strong profile, but after reading through the different sections I feel really underqualified. I listed my stats/ecs below. If anyone has any tips I would really appreciate it. Thanks 
stats:
GPA: 4.0uw, 4.6w
Coursework (including this year): ap calc bc, ap stats, apush, ap physics 1 and 2, ap comp gov, ap lang, ap bio, ap csp
Dual-enrollment linear algebra and multivariable calc at state university
stem ecs:
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Astrophysics research published in Research Notes of the American Astronomical Society
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ISEF Finalist 2025 (no grand/special awards
but a few regional/state-level awards) -
NASA SEES intern — research selected for presentation at the American Geophysical Union conference
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Volunteer at local science museum and designed & built an astrophysics exhibit
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Summer camp counselor at same museum
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Participated in university math circle + took advanced math courses
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Contributed to NASA citizen science astrophysics projects
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Skills: Python, MATLAB, data/statistical analysis
other info:
I have no idea what to write for the essays, if anyone has any tips that would be amazing. Assume rec letters will be good but nothing outstanding. I have a couple non-stem ecs that I didn’t list above but that I’ll probably mention in my essays. I come from a semi-competitive state but not a competitive city.