Grade boundaries

Cambridge Cambridge IGCSE Science - Combined 0653 grade boundaries March 2026

The least raw mark that reached each grade in March 2026, as Cambridge printed it, for the whole subject and each paper.

From Cambridge’s grade boundaries for March 2026: the board’s document.

Grade0653/52out of 400653/62out of 40
A2525
B2222
C1919
D1616
E1313
F1010
G77
Core tier
GradeWhole subject (12, 32, 52)out of 200Whole subject (12, 32, 62)out of 2000653/12out of 400653/32out of 80
C93931936
D79791730
E66661623
F52521417
G38381211
Extended tier
GradeWhole subject (22, 42, 52)out of 200Whole subject (22, 42, 62)out of 2000653/22out of 400653/42out of 80
A*147147––
A1221222745
B97972234
C72721821
D62621618
E52521414
F43431311
G3434128

Marks for each grade

Paper 0653/52

  • 25 out of 40 on Cambridge 0653 paper 0653/52 was a grade A in March 2026.
  • 22 out of 40 on Cambridge 0653 paper 0653/52 was a grade B in March 2026.
  • 19 out of 40 on Cambridge 0653 paper 0653/52 was a grade C in March 2026.
  • 16 out of 40 on Cambridge 0653 paper 0653/52 was a grade D in March 2026.
  • 13 out of 40 on Cambridge 0653 paper 0653/52 was a grade E in March 2026.
  • 10 out of 40 on Cambridge 0653 paper 0653/52 was a grade F in March 2026.
  • 7 out of 40 on Cambridge 0653 paper 0653/52 was a grade G in March 2026.

Paper 0653/62

  • 25 out of 40 on Cambridge 0653 paper 0653/62 was a grade A in March 2026.
  • 22 out of 40 on Cambridge 0653 paper 0653/62 was a grade B in March 2026.
  • 19 out of 40 on Cambridge 0653 paper 0653/62 was a grade C in March 2026.
  • 16 out of 40 on Cambridge 0653 paper 0653/62 was a grade D in March 2026.
  • 13 out of 40 on Cambridge 0653 paper 0653/62 was a grade E in March 2026.
  • 10 out of 40 on Cambridge 0653 paper 0653/62 was a grade F in March 2026.
  • 7 out of 40 on Cambridge 0653 paper 0653/62 was a grade G in March 2026.

Core tier, in total (12, 32, 52)

  • 93 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade C in March 2026.
  • 79 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade D in March 2026.
  • 66 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade E in March 2026.
  • 52 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade F in March 2026.
  • 38 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade G in March 2026.

Core tier, in total (12, 32, 62)

  • 93 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade C in March 2026.
  • 79 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade D in March 2026.
  • 66 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade E in March 2026.
  • 52 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade F in March 2026.
  • 38 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade G in March 2026.

Core tier, paper 0653/12

  • 19 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade C in March 2026.
  • 17 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade D in March 2026.
  • 16 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade E in March 2026.
  • 14 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade F in March 2026.
  • 12 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade G in March 2026.

Core tier, paper 0653/32

  • 36 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade C in March 2026.
  • 30 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade D in March 2026.
  • 23 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade E in March 2026.
  • 17 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade F in March 2026.
  • 11 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade G in March 2026.

Extended tier, in total (22, 42, 52)

  • 147 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade A* in March 2026.
  • 122 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade A in March 2026.
  • 97 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade B in March 2026.
  • 72 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade C in March 2026.
  • 62 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade D in March 2026.
  • 52 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade E in March 2026.
  • 43 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade F in March 2026.
  • 34 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade G in March 2026.

Extended tier, in total (22, 42, 62)

  • 147 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade A* in March 2026.
  • 122 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade A in March 2026.
  • 97 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade B in March 2026.
  • 72 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade C in March 2026.
  • 62 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade D in March 2026.
  • 52 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade E in March 2026.
  • 43 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade F in March 2026.
  • 34 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade G in March 2026.

Extended tier, paper 0653/22

  • 27 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade A in March 2026.
  • 22 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade B in March 2026.
  • 18 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade C in March 2026.
  • 16 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade D in March 2026.
  • 14 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade E in March 2026.
  • 13 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade F in March 2026.
  • 12 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade G in March 2026.

Extended tier, paper 0653/42

  • 45 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade A in March 2026.
  • 34 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade B in March 2026.
  • 21 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade C in March 2026.
  • 18 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade D in March 2026.
  • 14 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade E in March 2026.
  • 11 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade F in March 2026.
  • 8 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade G in March 2026.