For the admissions office, these three days are the result of months, even years, of planning, as well as a large amount of money.
See how this year's rate of 9.4 percent compares to the other schools in the Ivy League.
Penn received 38,918 applications this year, and 3,661 students were admitted.
Close to home but a world away for many Philadelphia high school students, Penn's high standards make it nearly impossible for many students to apply or to be accepted at the university.
New research from the U.K. Higher Education International Unit shows that in the last decade, the number of international students going to college in the United States has dropped by over 6 percent.
The Class of 2020 application pool for Penn this year was the biggest in university history, with a record number of 38,792 applicants.
Over the last few years, technology has made an enormous impact on the college admissions process — for better or for worse.
This Saturday, high school juniors around the country will rise early to tackle the SAT. But for the first time since 2005, it's a different test.
Having an older sibling at Penn may seem as if it could be hard to live up to throughout the admissions process, but many current freshmen with older siblings feel that their brother or sister was actually a great resource at the time.
When considering what traits colleges look for in their applicants, kindness and compassion do not immediately spring to mind.
"How many sexual partners have you had since being here?" and other inappropriate questions to ask on a college tour.
For the Class of 2020, 44 percent of ED students self-identify as minorities.
The University netted $517.20 million in funds, according to an annual survey conducted by the Council for Aid to Education.
This year, Dean of Admissions Eric Furda said, the University had about 11,000 high schools in its applicant pool, which is higher than in past years.
In the College of Arts and Sciences, “undecided” is the most popular intended major — only around 30 percent of students actually indicate a major on their application.
In total, there were 38,792 applicants — a 4 percent increase from last year.
Johnathan Phillips, a senior at McKinney North High School in Texas who has struggled with homelessness for most of his life, will become a Penn freshman in the fall of 2016.
Penn admitted 23.2% of its Early Decision applicants this year, down a fraction of a percentage point from last year’s 24% admittance rate.
In 20 years, a year of Penn tuition is projected to cost $110,370.
Kaplan conducted its annual survey of 120 law schools and found that 88 percent are confident that their number of applicants will increase this year.