How Long is a College Semester?

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If you are currently thinking about heading off to college, you are probably doing your due diligence and trying to find out everything you can about college. It can be quite a confusing time, but starting university or college is an incredible milestone for most people and a serious decision.

It can be exhausting yet exhilarating to start your research and hunt for the perfect college for you, isn’t it? Finding the ideal major, looking for accommodation, and deciding on your career path. But despite all that, you are probably wondering how long is a college semester and what is it in the first place?

Hear us out: college can feel incredibly short if you enjoy it and too long if you dread it. However, you need to figure out the best system for you and build upon that. In this article, we will be telling you all you need to know about semesters in college and what to expect.

What is a Semester?What is a Semester?

According to the Cambridge dictionary, a semester is half of a year spent at a college or university. This is the traditional and most used university and college system worldwide. A semester is a period of a few months during a year where you undergo different courses.

About 90% of colleges in the U.S. operate on this semester system, which makes it the most common academic schedule in higher education.

Not all students thrive on this academic system; some prefer faster-paced periods with fewer courses. The students who enjoy this semester system usually prefer a slower-paced academic year, which presents as a less demanding pace.

The semestral system allows you to pursue extracurricular activities and gives you some room to consider double majors or a minor throughout your academic year. However, because classes are often spread out during the year, it can be very distracting and difficult to maintain a specific schedule.

However, not all universities and colleges follow this semestral structure. There are a total of 4 recognized systems worldwide:

  • Semesters: during the academic year, you will always have two mandatory semesters: the fall and spring semesters. The summer semester is usually offered as an option.
  • Quarters: Quarters are basically four different periods during the year where you study. They are all the same length of time. The quarterly system has a fall, winter, spring, and summer quarters.
  • Trimesters: trimesters make up three periods in a year. The trimester system is similar to the quarter system. All trimesters are mandatory, the same length of time, and non-optional.
  • Accelerated courses: accelerated courses system splits the academic year into 5 periods, each lasting 8 weeks. This gives you a chance to focus on 2-3 accelerated courses per period.

How Many Semesters are in an Academic Year?

How Many Semesters are in an Academic Year?

The typical academic system is divided into 2-3 semesters a year; the fall semester, the spring semester, and the summer semester. Not all universities offer a summer semester, but taking summers can actually help you catch up on some courses or finish college or university a little earlier.

There is also a break between each semester. So, after the fall semester ends, you have a wonderful holiday for you to catch up on your breath. That usually lasts for a few weeks, nothing too long. Then, there’s the summer break after the spring semester. That summer break usually lasts for a month.

The summer semester is not part of the regular academic year and usually is not counted as one. It is always shorter than all other semesters and is not compulsory for students.

Students taking summer school usually repeat a course, catch up on studies, or finish university or college a little earlier.

However, things differ for the quarter system. You would be taking 4 terms per year, with the summer term being optional.

To make things a little easier, here are some pros and cons of semester systems and quarter systems:

Semester Systems


  • More time to study as you will have more free time during your semester
  • Easier transition from high-school system to the college system
  • More robust connections will form as you spend more time in college, interacting with professors and meeting other students.


  • Switching majors can be too difficult as you might have to take courses, and pay for classes, that you do not really need.
  • Harder to raise your GPA as each semester has 15 credits, so it weighs more than a quarter term

Quarter System


  • More of an edge as, on average, students who finish the quarter system would have taken 18 more credits than students from the semester system
  • More relaxing course load as you would have to take 3-4 courses per quarter instead of the typical 4-5 courses in the semester system
  • Shorter breaks between quarters mean less time for distraction and prevent students from losing time while they “get back into study mode.”


  • It is considered to be more difficult to land internships as most of these open up during the quarters
  • It might be illegible for studying abroad as these programs often run on a semester system

How Long is a Typical College Semester?

How Long is a Typical College Semester?

The specific semester period often varies from one university to another.

The word semester comes from the Latin word six months, so you would assume that means half the academic year. That is relatively true, but that excludes the summers semester.

So, in hindsight, a semester takes place for four months and a half. Note what we are saying; it “takes place” during that period. Still, the actual duration ranges from one university to another.

Most colleges’ fall and spring semesters last for 15 weeks, scattered along these four months and a half. Some universities and colleges offer holidays during these periods, usually before midterms or part of spring and Christmas break.

However, since colleges and universities clearly defined a credit hour, things became a little clearer. Federal regulations define a credit hour as:

  • One hour of classroom or direct faculty instruction and a minimum of two hours of out of class student work each week for approximately fifteen weeks for one semester or trimester hour of credit, or ten to twelve weeks for a one-quarter hour of credit, or the equivalent amount of work over a different amount of time;


  • At least an equivalent amount of work as required in paragraph (1) of this definition for other academic activities established by the institution, including laboratory work, internships, practica, studio work, and other academic work leading to the award of credit hours.

Hence, you can notice that the semester duration is simply an approximation and not quite set in stone. Moreover, it does not specify that all these hours are class hours; they can also constitute work, internships, or studio hours. In other words, the equivalent amount of time is achieved through work.

How Many Weeks Does a College Semester Have?

How Many Weeks Does a College Semester Have?

We have already talked about how long a college semester is, but let’s discuss the durations and timings in further detail.

As we know, the academic year in a semester-based system consists of two main semesters known as the fall and spring semesters. Some universities and colleges offer a summer semester that is shorter in length and provides fewer courses in a more condensed and sped-up manner.

To understand how the academic year flows, let us break it down for you:

  • Fall semester (15 weeks)
    The academic year always starts during the fall semester and lasts for 15 weeks in total in 4 and a half months. Then, there is the winter break which lasts anywhere from a week to four weeks.
  • Spring semester (15 weeks)
    So, after the fall semester and the winter break comes the spring break, which is the same length as the fall semester. Most universities and colleges offer a spring break somewhere along the semester that lasts for about a week.
  • Summer semester (12 weeks)
    As we established, the summer semester is optional. The summer semester is a case that every student should thoroughly consider. It might help you be ahead in your courses and manage your future academic semesters more efficiently.

When Do College Semesters Start and End?

When Do College Semesters Start and End?

First of all, the dates and periods are generalizations and are mostly approximations. The periods differ from one university to another, and none of them are entirely set in stone.

We mean that from one academic year to another, the starting and endings dates of academic semesters might differ. Take the COVID-19 situation; it messed up the academic dates for almost all colleges and universities.

The optimal way to find out what a college’s academic calendar looks like; find it by googling: “Name of your university” academic calendar.

However, there is a basic structure that all universities and colleges follow, and it looks like this:

  • Fall semester: usually starts in the middle of August or the first week of September.
  • Winter break: typically begins somewhere in January and lasts anywhere from 1-4 weeks.
  • Spring semester: starts in the second week of January and ends around the first week of May.
  • Summer break: usually a summer break lasts for 4 months. However, if you are considering taking up summer school, then your vacation will most likely last for around a week or so.
  • Summer school: since it lasts for about 12 weeks, summer school typically ends in August.

On the other hand, some students wonder how long a college year is? A college year is equivalent to an academic year, which constitutes all the semesters in the year. If you are not taking summer school, that basically means you have school for 30 weeks out of the 48 weeks in a year.

Well, how long is a semester in months? Technically speaking, the semester spans over 4.5 months. However, in reality, one fall or spring semester lasts for 3 months and three weeks, which gives you ample time for holidays and vacation.

Moreover, if you choose to not take summer school, that provides you with more free time, approximately 4 consecutive months of summer, to pursue other activities.

What Type of Term System Does College or University Use?

What Type of Term System Does College or University Use?

Let’s now talk about the traditional systems that colleges and universities follow.

The most followed academic system is the semester system, followed by the quarter system. They are the most used systems in the U.S.

A brief recap of what a semester academic system is:

  • Two 15-week terms (fall and spring)
  • Summer semester as an optional addition
  • Average of 4-5 courses per semester
  • 15 total credits per semester (estimate)
  • An academic year would typically start in late August and concludes in May
  • 95% of universities and colleges in the U.S. operate on a semester system

On the other hand, a quarter academic system is one where the academic year is divided into four semesters:

  • 4 10-week terms (fall, winter, spring, and summer)
  • The summer quarter is optional
  • Average of 3-4 courses per semester
  • 9-12 credits per semester (estimate)
  • Academic years would typically run from mid-September till June

Some examples of institutes that run on the quarter academic system include Stanford, the University of Chicago, and the University of Washington.

However, it is still quite controversial which system is better.

There is no clear answer to which one provides efficiency and excellence for its students. Still, we know that the semester system provides students sufficient time to learn and build relationships with professors.

On the other hand, the quarter system has provided more flexibility and structured academic careers.

How Many Classes are in a College Semester?

How Many Classes are in a College Semester?

The number of classes you will take in one semester during your university or college years might vary. It depends on whether you are a full-time student, what major you are studying if you are repeating the course, and how much your courses weigh on a credit-hours basis.

Each class is typically considered to consist of 3 credit hours, which means, on average, you will be taking 3 hours of this course per week.

So, for instance, let us assume you take on 5 courses your first semester. That automatically means you will probably have 15 credit hours. The minimum course load expected of a full-time student is 12 credit hours, and the maximum is set at 18 credits.

Now, you might be asking, “well, how long is one college class?” Again, it varies according to the university itself, but one credit hour usually indicates one hour of class. So, if you do take a 3-credit course, that typically means you will be sitting for 3 hours of lectures for that course per week.

However, consider the following: you want to complete your associate’s degree at a college. That means you have to complete 60 hours to graduate. Hence, you will need to take 15 credit hours per semester, meaning you need 5 courses each term.

However, you can also choose to take 4 courses per semester, which means you would have completed 48 hours after two years. That leaves 12 more hours you need to complete. Don’t fret about it, as many students choose this more lenient option and end up spending 2.5 in college instead of 2 years.

At the end of the day, it really is your choice. There is a taboo surrounding college and university students spending more than the “normal” amount of time until they obtain their degrees.

However, take things at your own pace. If you do rush things, you might end up messing up your courses and progress by taking on more course load than you can handle. It really is not worth it in the long run, as you will most likely run your energy and mental health to the ground.

Wrapping Things Up: How Long is a College Semester

A college education is not a walk in the park; it really is something you have to dwell over and think about. The most important thing about being a student is pursuing a profession you genuinely enjoy. Trust us, having something you love is way less stressful than having a short-lived stressful career, even if it is difficult.

All in all, a typical college semester would consist of 15-weeks. This is the system that most colleges and universities in the U.S. follow. However, it might not be the best fit for you. For that reason, the first thing you have to do is find the profession you love, then do your research and find the system you would prefer.

Did you like this post? We have a ton of helpful college study tips here.

> Can You Go to College Without Passing High School?

> Do Colleges Look at Weighted or Unweighted GPAs?

> 21 College Admission Tips for Freshman

> How to Study for End of Semester Exams?

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Professor Conquer

Professor Conquer started Conquer Your Exam in 2018 to help students feel more confident and better prepared for their tough tests. Prof excelled in high school, graduating top of his class and receiving admissions into several Ivy League and top 15 schools. He has helped many students through the years tutoring and mentoring K-12, consulting seniors through the college admissions process, and writing extensive how-to guides for school.

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