How the IB assesses the Diploma

Students are scored on a scale of 1–7 points from results of examinations and coursework. 

Subjects are graded according to the following scale:

  • 7 Excellent 
  • 6 Very good 
  • 5 Good 
  • 4 Satisfactory 
  • 3 Mediocre 
  • 2 Poor 
  • 1 Very poor 
  • N No grade 

The TOK course and the Extended Essay are graded according to the following scale:

  • A Excellent 
  • B Good 
  • C Satisfactory 
  • D Mediocre 
  • E Elementary 
  • N No grade 

To be awarded an  IB Diploma, students must satisfy the following requirements:

  • Total Points ​- The candidate has gained 24 total points or more across all subjects, including bonus points.
  • HL Points​ – The candidate has gained 12 points or more on HL subjects (for candidates who register for four HL subjects, the three highest grades count).
  • SL Points​ – The candidate has gained 9 points or more on SL subjects (candidates who register for two SL subjects must gain at least 5 points at SL).
  • Grade of 3​ – There are no more than three grade 3s or below awarded (HL or SL).
  • Grade of 2 ​- There are no more than two grade 2s awarded (HL or SL).
  • Grade of 1​ – There is no grade 1 awarded in a subject/level.
  • Grade of “N”​ – There is no “N” awarded for TOK, the EE or for a contributing subject.
  • Grade of “E”​ – There is no grade E awarded for TOK and/or the EE.

CAS​ – Creativity, Activity, Service requirements have been met.

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