At a glance
- Common scale
- 4.0 (A = 4, B = 3, C = 2, D = 1)
- Weighted GPA
- Extra points for AP, IB or honors
- Average US high school GPA
- 3.0 (College Board)
- Grades that count
- Usually grades 9 to 12
The common 4.0 scale
One commonly used conversion, from College Board's BigFuture. Your child's school may use different cut-offs or add plus and minus grades.
| Letter grade | Percentage range | GPA points |
|---|---|---|
| A | 90 to 100 | 4.0 |
| B | 80 to 89 | 3.0 |
| C | 70 to 79 | 2.0 |
| D | 66 to 69 | 1.0 |
| E or F | Below 65 | 0.0 |
Many schools also use A-, B+ and similar grades with intermediate points (for example 3.7 or 3.3). The school profile sent with applications explains the school's own scale.
How GPA is calculated
Add the points for each course and divide by the number of courses. BigFuture's example is five classes with three As, one B and one C: (4 + 4 + 4 + 3 + 2) / 5 = 3.4. Schools that count courses with different credit values (a full-year course worth 1 credit, a semester course worth 0.5) multiply each grade by its credits first, then divide by total credits.
Weighted GPA gives extra points for harder courses. Schools that weight usually add half a point for honors and a full point for AP or IB courses, so an A in AP Calculus can count as 5.0 instead of 4.0. Practice varies, so a 4.3 at one school and a 3.9 at another can describe similar students. That is why transcripts list the courses, not only the average.
Unweighted and weighted side by side
A Grade 11 example with six full-year courses, using a school that adds 1 point for AP and 0.5 for honors.
| Course | Grade | Unweighted points | Weighted points |
|---|---|---|---|
| AP Calculus AB | A | 4.0 | 5.0 |
| AP English Language | B | 3.0 | 4.0 |
| Honors Chemistry | A | 4.0 | 4.5 |
| US History | B | 3.0 | 3.0 |
| Arabic | A | 4.0 | 4.0 |
| Physical Education | A | 4.0 | 4.0 |
| GPA | 3.67 | 4.08 |
Illustrative only. Some colleges remove physical education and electives and recalculate from core subjects.
How universities read a GPA
BigFuture notes that colleges may recalculate GPA by removing non-core courses, focusing on maths, science, English, social studies and languages, and removing or standardising the extra weight for AP and honors. Many therefore ask students to list actual course grades on their application. For a Gulf family this means two things: the difficulty of the course load is visible, and a strong weighted GPA built on easier electives does not hide a weak maths grade.
Outside the US, universities look at the same transcript differently. UK universities rarely accept a US-style high school diploma on its own: Cambridge, for example, describes a combination of AP exams and SAT or ACT scores, with a high GPA, as suitable preparation. Universities in the UAE and Saudi Arabia usually convert school results under their own equivalency rules and may ask for subject percentages, so keep each year's transcripts and the school's grading scale.
What a strong GPA usually takes
- Consistency from Grade 9: GPA is cumulative, so a weak first year takes a long time to dilute.
- Protecting core subjects: maths and English grades are read closely, even when the overall average is high.
- Choosing AP or honors courses the student can do well in, rather than the most courses possible.
- Fixing problems within the semester: a falling grade in October is cheaper to rescue than a C on the transcript in January.
Where a tutor helps
GPA is built course by course, so tutoring works best when it follows the school's own units, tests and deadlines. A tutor who teaches the American curriculum can keep pace with Algebra 2 or AP Chemistry, plan revision before unit tests, and fill the gaps that keep showing up in homework scores. LiveTutor lessons are one to one, online and 60 minutes long, and parents see lessons and progress in their parent account.
Common questions
Is a 3.5 GPA good?
On a 4.0 unweighted scale it is a B+ to A- average, above the US high school average of 3.0. How competitive it is depends on the course load and the universities on your child's list.
Can a GPA be higher than 4.0?
Yes, if the school weights GPA. Extra points for AP, IB or honors courses push the weighted average above 4.0. The unweighted GPA tops out at 4.0.
Which years count for GPA?
Usually grades 9 to 12. Applications made in Grade 12 show grades 9 to 11 and sometimes first-semester Grade 12.
Do universities in the Gulf use GPA?
They accept American-curriculum diplomas under their own equivalency rules and often look at subject grades or percentages. Check the admission page for your child's programme.
How much does LiveTutor cost for American-curriculum support?
Each one-to-one 60-minute lesson is $15, on a weekly plan of 1 to 5 lessons billed monthly. The first lesson is a free trial.
Sources
Dates and figures on this page come from these official and published sources. Always confirm deadlines on the official page before acting on them.