About 20 million students apply to four-year colleges and universities across the United States every single year. 

In 2024, Harvard University admitted 3.6% of its applicants. If you do the math, it means 96 out of every 100 students who applied were turned away.

Competition for seats at the country's most prestigious institutions has never been this fierce. And the numbers are only getting tighter with every passing year.

If you’re a high school senior scrolling through different college websites to shortlist where to send your applications, and second-guessing every choice along the way, this guide has got you covered.

A college's acceptance rate gives you a quick signal for its prestige, selectivity, and your odds of getting in.

This article covers:

• What is the acceptance rate for a college
• How do you calculate and interpret it
• A list of institutions with the lowest and the highest acceptance rates in the country 

What is the acceptance rate (for college)?

The acceptance rate for a college is a measure of the number of students they take in per admission cycle compared to the total number of applicants. 

For most colleges, the total number of admissions offered remains almost the same. However, the applicant pool is different every year. So, their acceptance rates are influenced by the total number of people who choose to apply to the college in a given year.

Two colleges can offer the same number of admissions, but their acceptance rates may be totally different. Let me explain. 

Let’s say two colleges, A and B, each offer a fixed number of 100 admissions. Now, if 1,000 students apply to college A and 5,000 people apply to college B, the acceptance rates for both institutions will be very different because of the different number of applications they received.

In that sense, the acceptance rate of a college is also a measure of its popularity. For instance, a lot more students apply to Ivy League colleges compared to colleges located in Southern states.

Let’s now see how to calculate the acceptable rate for a college using a simple formula.

How to calculate acceptance rate

The acceptance rate of a college is calculated by the formula: 

Acceptance rate = (Total number of students admitted/Total number of applicants)  x 100

If a college accepts 500 candidates out of a pool of 5,000 applicants, its acceptance rate will be:

(500/5000) x 100 = 10%

Interpretation of acceptance rate

We can classify the acceptance rates of colleges into 5 selectivity tiers: 

• Highly selective: <5%
• Very selective: 6–15%
• Selective: 16–30%
• Moderately selective: 31–50%
• Open/ less selective: >50% 

The schools that receive a very high number of applications, but the number of students who get enrolled after being offered admission is limited, are said to have a low acceptance rate.

The acceptance rate of a college is a direct indicator of a college’s competitiveness. Harvard has a very low acceptance rate of about 4%, according to the U.S. News and World Report, for two main reasons:

• Over 50,000 students apply to Harvard every year 
• The competition among applicants is way too high (the applicants have an average SAT score between 1510 and 1580 or an ACT score of 34 and 36)

Public colleges with less strict eligibility policies or open admissions have higher acceptance rates.

The average college acceptance rate in the U.S.

According to the National Association for College Admission Counseling, the average acceptance rate across four-year, not-for-profit U.S. colleges was 73% in fall 2021.

Out of this, public colleges had an acceptance rate of 78%, while private ones averaged at 70%. 

Here’s a quick table that shows the trend in average college acceptance rates:   

What factors influence the acceptance rate?

Multiple factors have some degree of influence over the acceptance rates of colleges in the U.S. 

The institutional capacity is the foremost blunt reality that affects your chances of getting admitted to a college. If a school has a limited enrollment capacity but receives a very high number of applications, it can only offer admissions to a few.

Some other factors are: 

• The reputation of the college, since a popular college attracts more applicants
• The applicant trends among students, e.g., using Common App to send a generic application to many different colleges in a limited amount of time, inflate the applicant pool for colleges 
• Every school has its own admissions criteria for students, consisting of their GPA, honors, SAT/ACT scores, letters of recommendation, personal statements, etc. Those with strict criteria tend to have a low acceptance rate
• The admission test being optional increases the number of applications for a college 
• College-specific pull factors like affordable tuition, campus amenities, sports facilities, etc., also attract a high number of applicants

One very important factor you must consider in a college’s acceptance rate is to look at the different majors they offer. It is very much possible that a college has drastically different acceptance rates for different majors.

The University of California, Berkeley, for example, has a 53% acceptance rate for art history majors, but it accepts only 4% of transfer applicants for computer science.

Similarly, Purdue University has a 67% acceptance rate if you look at the average of all majors, but it accepts 37% of first-year engineering applicants.

What college has the lowest acceptance rate?

Here's a list of colleges with the lowest acceptance rates in the U.S. 

To get an admission offer from these institutions, you must have a stellar profile and must check off all the boxes of eligibility requirements.  

Notice that the Curtis Institute of Music has one of the lowest acceptance rates, even though it is not among the Ivy League schools. This is because Curtis only accepts 160 students every year. To put it in perspective, Stanford enrolled 1,866 students in the Class of 2029.

What college has the highest acceptance rate?

Similar to the list above, the following is a list of colleges in the U.S. with the highest acceptance rates.

Many of the colleges with 100% (or near) acceptance rates are regional public universities or community colleges with open-enrollment missions.

You can't control the acceptance rate. Here's what you can control

Acceptance rates are, ultimately, a metric based on someone else's applications. They either reflect a college’s priorities or the application volume for a certain year, both of which have nothing to do with what you're capable of.

If a school has a 4% acceptance rate, it simply operates within constraints that no amount of effort on your end can affect, it's just outside your hands.

What you do have in your hands is the application you actually submit.

Your GPA, your test scores, the depth of your extracurricular commitments, and the voice of your personal statement are the variables entirely your own.

Your academic profile, in particular, has the most weight for your admission to any college.

Therefore, do not spend too much time obsessively thinking about the college acceptance rates. Focus on how you can study better using smart resources and study tools like RemNote.

RemNote is an all-in-one tool students use to take notes, create flashcards, annotate PDFs, and study with AI, all in one place. Spaced repetition and active recall study techniques, help you retain study material better, save you time, and actually help you achieve higher grades.

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FAQs

What is the acceptance rate for Harvard?

The acceptance rate for Harvard overall is 3.64%. Harvard Medical School has an even lower acceptance rate of 2.09%.

What is the acceptance rate for UCLA?

The overall acceptance rate for the University of California, Los Angeles, in fall 2025 for first-year students was 9%. For transfer students, it was higher at 23%. 

What is the formula for acceptance rate?

The formula to calculate the acceptance rate of a college is: 

Acceptance rate = (Total number of students admitted / Total number of applicants) x 100