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IB Points and Grades Explained

How six subject grades and the core combine into an IB Diploma total.

Read the FAQs

Subject grades

1

Each of the six subjects is graded from 1 to 7, so subjects can contribute up to 42 points between them. Higher and Standard Level grades count the same toward the total.

2

Teachers mark internal assessments and the IB moderates them, and external exams are marked by IB examiners.

Bonus points from the core

The Extended Essay and Theory of Knowledge are graded and combined in a matrix that can add up to 3 bonus points. CAS is not graded but must be completed.

These points are small in number but can make a difference near a boundary, which is a good reason to treat the core seriously.

The total and the pass mark

  1. Adding subject points and bonus points gives a maximum of 45. A total of 24 points is the usual minimum for the diploma, subject to the IB's other conditions about failing grades and core requirements.
  2. Because there are extra conditions, check the full requirements with your school coordinator.

Where tutoring can help

A tutor can help raise understanding in the subjects that carry the most risk and help you plan the Extended Essay and TOK work. Tell us your subjects and levels and we will help you find a suitable tutor.

Frequently asked questions

How is the IB Diploma total calculated?

Add the six subject grades, each from 1 to 7, and then up to 3 bonus points from the Extended Essay and TOK, for a maximum of 45.

Do SL and HL subjects count the same?

Yes. Each subject is graded from 1 to 7 and contributes to the total in the same way.

Is CAS graded?

No. CAS is not graded, but it must be completed to be awarded the diploma.

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