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IB grade calculator

What grade is my IB Biology HL score?

Enter your score to see your grade.

Biology HL Paper 1 grade boundaries

The lowest mark for each grade, out of 75.

Session1234567
May 20260142330405060
May 20250142632415160
November 20240111719242934
May 20240111416212530
November 20230111315202530
May 20230111416222733
November 20200111315202631
November 20190111519243035
May 20190111417222732
November 20180111417232935
May 20180111417222732
May 20170111417232834

From the IB's published grade boundaries. Sessions with several time zones show their average. The IB sets this boundary across two papers together, so treat it as a guide. Your final grade also depends on your other papers and coursework.

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