Pearson Edexcel GCSE Chemistry grade boundaries

Specification 1CH0

June 2026 qualification boundaries

Choose the tier or entry option printed on your exam entry. Each total applies to that option.

Foundation tierJune 2026 · 200 marks in total · 5: 137 · 4: 118 · 3: 88
GradeMarksPercentage
513768.5%
411859.0%
38844.0%
25929.5%
13015.0%

Official source for June 2026 ↗ · Use the Foundation tier calculator

Higher tierJune 2026 · 200 marks in total · 9: 165 · 8: 146 · 7: 127
GradeMarksPercentage
916582.5%
814673.0%
712763.5%
610351.5%
57939.5%
45527.5%
34321.5%

Official source for June 2026 ↗ · Use the Higher tier calculator

Choose your tier or entry option.

The boundaries and assessment structure depend on that choice. No tier has been selected for you.