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How to calculate GPA in high school

Your GPA is a fundamental part of your high school resume. As a number, it attempts to quickly show how solid of a student you are. Many scholarships will ask for your GPA, as well as some college applications.

“GPA” stands for “Grade Point Average”, which means that it averages out all of your grades.

How to calculate it:

First, take a look at your current or most recent grades. Each letter corresponds to a number:

  • A: 4 points
  • B: 3 points
  • C: 2 points
  • D: 1 point
  • F: 0 points

The pluses and minuses typically do not matter in high school GPAs, but they do for college ones. So if you have a B-, just round it off to a B and give yourself 3 points.

For each class, figure out how many points each one is worth and add them all up.

Then, you divide by the number of classes you’re taking.

A sample GPA calculation:

Suppose I had an A in PE, a B+ in English, a C- in math, a B- in science, an A- in history, and a B in photo. Here’s how I would calculate my GPA:

  • PE: an A is worth 4 points. I’m at 4 so far.
  • English: a B+ rounds to a B, which is 3 points. I have 7.
  • Math: a C- rounds to a C, which is 2 points. I have 9.
  • Science: A B- rounds to a B, which is 3 points. I have 12 now.
  • History: An A- rounds to an A, which is 4 points. I’m at 16.
  • Photo: A B is worth 3 points. I now have 19 points total.

Since I’m taking six classes, I would divide those 19 total points by 6 to get my GPA: 3.17.

What about honors and AP classes?

Although high schools differ about how they handle this, typically most honors and AP classes give you an extra point for that class when calculating your GPA, provided you’re at least passing the class (C or better).

So, if you’re taking an honors/AP class and get a B in it, you get to add one point to the three that the B already gives you, giving you 4.

From my earlier example, let’s suppose that my English class, math, and history classes were all honors classes. Here is how I would calculate my GPA now:

  • PE: My A is still worth 4.
  • English: My B+ is worth 3, but it’s an honors class so it counts for 4
  • Math: My C is worth 2, but it’s honors and becomes 3.
  • Science: My B- is worth 3.
  • History: My A- is worth 4, but I add one for honors and it’s now worth 5.
  • Photo: My B is still worth 3.

Added up, they all add to 22. I still divideĀ  by six, and now my GPA is a 3.66! As you can see, honors classes and AP classes greatly help your GPA if you pass them.

In this way, it’s possible to get above a 4.0 if you’re doing well enough and taking honors/AP classes, and it’s even possible to have a 5.0 if you pull off straight A’s in all top-level classes.

Not all schools use the same GPA system. Some schools use entirely different methods of summarizing grades, but for most schools, this method will work just fine.

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6 Replies to “How to calculate GPA in high school”

Comments:

1. mary

December 25th, 2009 12:40 am

GPA in our school is something like this.Some extra good actions may help your acores up.I like it !

2. deevan from powerline ethernet adapters

December 26th, 2009 12:08 am

Cool – this is exactly how we did it. It take a bit getting used to the first semester of college. In high school, A vs. A- is not a big deal, but in college it matters.

I think that a full point for AP/Honors classes is a bit much though. There is already grade inflation…C isn’t the average, it is the low end. Grade distribution is like 30% A, 50% B, and 20% C/D/F.

3. Paul

December 26th, 2009 12:35 pm

@Deevan: That’s true, there is a lot of grade inflation — especially in college. But I think giving a full point for AP/Honors classes is reasonably fair. I had a friend who took very low level classes his senior year, which gave him an easy 4.0. While I think it’s great that he got a 4.0, I had friends who were taking schedules packed with AP and Honors classes who spent countless nights studying and doing tough homework, all trying to get the best grades they could. Some of them struggled to get a 4.2, yet the level of work they were doing was far above my friend’s.

4. Anna

May 20th, 2010 5:11 pm

What if i’ve taken a class and passed it but didnt recieve credit for it. do those grades count toward by gpa too? or just the classes i recieved credit for?

5. Niki

May 23rd, 2011 11:46 am

What if my grades are in #’s like 87 or 72? How would I know if that is an A,B,C etc…
Thank you

6. annie

June 23rd, 2011 11:23 am

What if the student is attending both college and highschool at the same time, how can they calculate their gpa? Is the calculation process the same or is it different?

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