https://www.cmu.edu/admission/admission/undergraduate-admission-requirements
This includes three short-answer questions
Carnegie Mellon doesn’t accept supplemental submissions, such as resumes, artwork, portfolios, recording or websites. We encourage you to use the Common Application, along with the Carnegie Mellon Supplemental Essays, to highlight experiences or activities that have enhanced or defined your personal growth during high school. Carnegie Mellon won’t accept updates from applicants after January 15 but will continue to accept documents and updates from high school counselors after that point.Please note that mid-semester grades or transcript updates should be reported by your high school counselor throughout the admission process. For applicants to the College of Fine Arts, please refer to our information for College of Fine Arts applicants.