To Earn an IB Diploma Complete Extended Essay, TOK, CAS Complete Extended Essay, TOK, CAS Take six courses, and complete all IB Assessments Take six courses, and complete all IB Assessments Grading scale 1-7, and is a combination of marks for external and internal assessments Grading scale 1-7, and is a combination of marks for external and internal assessments Must accumulate 24 points total to receive the diploma Must accumulate 24 points total to receive the diploma