Grade boundaries

Cambridge Cambridge IGCSE Science - Combined 0653 grade boundaries November 2025

The least raw mark that reached each grade in November 2025, as Cambridge printed it, for the whole subject and each paper.

From Cambridge’s grade boundaries for November 2025: the board’s document.

Grade0653/51out of 400653/52out of 400653/61out of 400653/62out of 400653/63out of 40
A2626272628
B2222222224
C1818181921
D1616161618
E1313131315
F1010101012
G77779
Core tier
GradeWhole subject (11, 31, 51)out of 200Whole subject (11, 31, 61)out of 200Whole subject (12, 32, 52)out of 200Whole subject (12, 32, 62)out of 200Whole subject (13, 33, 63)out of 2000653/11out of 400653/12out of 400653/13out of 400653/31out of 800653/32out of 800653/33out of 80
C93939899101212020354040
D8181868789181818313535
E7070757577161717262929
F5757636365131515222424
G4444515153111313182020
Extended tier
GradeWhole subject (21, 41, 51)out of 200Whole subject (21, 41, 61)out of 200Whole subject (22, 42, 52)out of 200Whole subject (22, 42, 62)out of 200Whole subject (23, 43, 63)out of 2000653/21out of 400653/22out of 400653/23out of 400653/41out of 800653/42out of 800653/43out of 80
A*151152151150150––––––
A127128125125126303027454346
B10310499100102262523353335
C8080747578211919242223
D7070646468191717201820
E6060545458171515171516
F5050454548151313141213
G4040363638131111111010

Marks for each grade

Paper 0653/51

  • 26 out of 40 on Cambridge 0653 paper 0653/51 was a grade A in November 2025.
  • 22 out of 40 on Cambridge 0653 paper 0653/51 was a grade B in November 2025.
  • 18 out of 40 on Cambridge 0653 paper 0653/51 was a grade C in November 2025.
  • 16 out of 40 on Cambridge 0653 paper 0653/51 was a grade D in November 2025.
  • 13 out of 40 on Cambridge 0653 paper 0653/51 was a grade E in November 2025.
  • 10 out of 40 on Cambridge 0653 paper 0653/51 was a grade F in November 2025.
  • 7 out of 40 on Cambridge 0653 paper 0653/51 was a grade G in November 2025.

Paper 0653/52

  • 26 out of 40 on Cambridge 0653 paper 0653/52 was a grade A in November 2025.
  • 22 out of 40 on Cambridge 0653 paper 0653/52 was a grade B in November 2025.
  • 18 out of 40 on Cambridge 0653 paper 0653/52 was a grade C in November 2025.
  • 16 out of 40 on Cambridge 0653 paper 0653/52 was a grade D in November 2025.
  • 13 out of 40 on Cambridge 0653 paper 0653/52 was a grade E in November 2025.
  • 10 out of 40 on Cambridge 0653 paper 0653/52 was a grade F in November 2025.
  • 7 out of 40 on Cambridge 0653 paper 0653/52 was a grade G in November 2025.

Paper 0653/61

  • 27 out of 40 on Cambridge 0653 paper 0653/61 was a grade A in November 2025.
  • 22 out of 40 on Cambridge 0653 paper 0653/61 was a grade B in November 2025.
  • 18 out of 40 on Cambridge 0653 paper 0653/61 was a grade C in November 2025.
  • 16 out of 40 on Cambridge 0653 paper 0653/61 was a grade D in November 2025.
  • 13 out of 40 on Cambridge 0653 paper 0653/61 was a grade E in November 2025.
  • 10 out of 40 on Cambridge 0653 paper 0653/61 was a grade F in November 2025.
  • 7 out of 40 on Cambridge 0653 paper 0653/61 was a grade G in November 2025.

Paper 0653/62

  • 26 out of 40 on Cambridge 0653 paper 0653/62 was a grade A in November 2025.
  • 22 out of 40 on Cambridge 0653 paper 0653/62 was a grade B in November 2025.
  • 19 out of 40 on Cambridge 0653 paper 0653/62 was a grade C in November 2025.
  • 16 out of 40 on Cambridge 0653 paper 0653/62 was a grade D in November 2025.
  • 13 out of 40 on Cambridge 0653 paper 0653/62 was a grade E in November 2025.
  • 10 out of 40 on Cambridge 0653 paper 0653/62 was a grade F in November 2025.
  • 7 out of 40 on Cambridge 0653 paper 0653/62 was a grade G in November 2025.

Paper 0653/63

  • 28 out of 40 on Cambridge 0653 paper 0653/63 was a grade A in November 2025.
  • 24 out of 40 on Cambridge 0653 paper 0653/63 was a grade B in November 2025.
  • 21 out of 40 on Cambridge 0653 paper 0653/63 was a grade C in November 2025.
  • 18 out of 40 on Cambridge 0653 paper 0653/63 was a grade D in November 2025.
  • 15 out of 40 on Cambridge 0653 paper 0653/63 was a grade E in November 2025.
  • 12 out of 40 on Cambridge 0653 paper 0653/63 was a grade F in November 2025.
  • 9 out of 40 on Cambridge 0653 paper 0653/63 was a grade G in November 2025.

Core tier, in total (11, 31, 51)

  • 93 out of 200 on Cambridge 0653 Core tier (11, 31, 51) in total was a grade C in November 2025.
  • 81 out of 200 on Cambridge 0653 Core tier (11, 31, 51) in total was a grade D in November 2025.
  • 70 out of 200 on Cambridge 0653 Core tier (11, 31, 51) in total was a grade E in November 2025.
  • 57 out of 200 on Cambridge 0653 Core tier (11, 31, 51) in total was a grade F in November 2025.
  • 44 out of 200 on Cambridge 0653 Core tier (11, 31, 51) in total was a grade G in November 2025.

Core tier, in total (11, 31, 61)

  • 93 out of 200 on Cambridge 0653 Core tier (11, 31, 61) in total was a grade C in November 2025.
  • 81 out of 200 on Cambridge 0653 Core tier (11, 31, 61) in total was a grade D in November 2025.
  • 70 out of 200 on Cambridge 0653 Core tier (11, 31, 61) in total was a grade E in November 2025.
  • 57 out of 200 on Cambridge 0653 Core tier (11, 31, 61) in total was a grade F in November 2025.
  • 44 out of 200 on Cambridge 0653 Core tier (11, 31, 61) in total was a grade G in November 2025.

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

  • 98 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade C in November 2025.
  • 86 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade D in November 2025.
  • 75 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade E in November 2025.
  • 63 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade F in November 2025.
  • 51 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade G in November 2025.

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

  • 99 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade C in November 2025.
  • 87 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade D in November 2025.
  • 75 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade E in November 2025.
  • 63 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade F in November 2025.
  • 51 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade G in November 2025.

Core tier, in total (13, 33, 63)

  • 101 out of 200 on Cambridge 0653 Core tier (13, 33, 63) in total was a grade C in November 2025.
  • 89 out of 200 on Cambridge 0653 Core tier (13, 33, 63) in total was a grade D in November 2025.
  • 77 out of 200 on Cambridge 0653 Core tier (13, 33, 63) in total was a grade E in November 2025.
  • 65 out of 200 on Cambridge 0653 Core tier (13, 33, 63) in total was a grade F in November 2025.
  • 53 out of 200 on Cambridge 0653 Core tier (13, 33, 63) in total was a grade G in November 2025.

Core tier, paper 0653/11

  • 21 out of 40 on Cambridge 0653 Core paper 0653/11 was a grade C in November 2025.
  • 18 out of 40 on Cambridge 0653 Core paper 0653/11 was a grade D in November 2025.
  • 16 out of 40 on Cambridge 0653 Core paper 0653/11 was a grade E in November 2025.
  • 13 out of 40 on Cambridge 0653 Core paper 0653/11 was a grade F in November 2025.
  • 11 out of 40 on Cambridge 0653 Core paper 0653/11 was a grade G in November 2025.

Core tier, paper 0653/12

  • 20 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade C in November 2025.
  • 18 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade D in November 2025.
  • 17 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade E in November 2025.
  • 15 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade F in November 2025.
  • 13 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade G in November 2025.

Core tier, paper 0653/13

  • 20 out of 40 on Cambridge 0653 Core paper 0653/13 was a grade C in November 2025.
  • 18 out of 40 on Cambridge 0653 Core paper 0653/13 was a grade D in November 2025.
  • 17 out of 40 on Cambridge 0653 Core paper 0653/13 was a grade E in November 2025.
  • 15 out of 40 on Cambridge 0653 Core paper 0653/13 was a grade F in November 2025.
  • 13 out of 40 on Cambridge 0653 Core paper 0653/13 was a grade G in November 2025.

Core tier, paper 0653/31

  • 35 out of 80 on Cambridge 0653 Core paper 0653/31 was a grade C in November 2025.
  • 31 out of 80 on Cambridge 0653 Core paper 0653/31 was a grade D in November 2025.
  • 26 out of 80 on Cambridge 0653 Core paper 0653/31 was a grade E in November 2025.
  • 22 out of 80 on Cambridge 0653 Core paper 0653/31 was a grade F in November 2025.
  • 18 out of 80 on Cambridge 0653 Core paper 0653/31 was a grade G in November 2025.

Core tier, paper 0653/32

  • 40 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade C in November 2025.
  • 35 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade D in November 2025.
  • 29 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade E in November 2025.
  • 24 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade F in November 2025.
  • 20 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade G in November 2025.

Core tier, paper 0653/33

  • 40 out of 80 on Cambridge 0653 Core paper 0653/33 was a grade C in November 2025.
  • 35 out of 80 on Cambridge 0653 Core paper 0653/33 was a grade D in November 2025.
  • 29 out of 80 on Cambridge 0653 Core paper 0653/33 was a grade E in November 2025.
  • 24 out of 80 on Cambridge 0653 Core paper 0653/33 was a grade F in November 2025.
  • 20 out of 80 on Cambridge 0653 Core paper 0653/33 was a grade G in November 2025.

Extended tier, in total (21, 41, 51)

  • 151 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade A* in November 2025.
  • 127 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade A in November 2025.
  • 103 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade B in November 2025.
  • 80 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade C in November 2025.
  • 70 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade D in November 2025.
  • 60 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade E in November 2025.
  • 50 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade F in November 2025.
  • 40 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade G in November 2025.

Extended tier, in total (21, 41, 61)

  • 152 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade A* in November 2025.
  • 128 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade A in November 2025.
  • 104 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade B in November 2025.
  • 80 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade C in November 2025.
  • 70 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade D in November 2025.
  • 60 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade E in November 2025.
  • 50 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade F in November 2025.
  • 40 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade G in November 2025.

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

  • 151 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade A* in November 2025.
  • 125 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade A in November 2025.
  • 99 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade B in November 2025.
  • 74 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade C in November 2025.
  • 64 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade D in November 2025.
  • 54 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade E in November 2025.
  • 45 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade F in November 2025.
  • 36 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade G in November 2025.

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

  • 150 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade A* in November 2025.
  • 125 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade A in November 2025.
  • 100 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade B in November 2025.
  • 75 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade C in November 2025.
  • 64 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade D in November 2025.
  • 54 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade E in November 2025.
  • 45 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade F in November 2025.
  • 36 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade G in November 2025.

Extended tier, in total (23, 43, 63)

  • 150 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade A* in November 2025.
  • 126 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade A in November 2025.
  • 102 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade B in November 2025.
  • 78 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade C in November 2025.
  • 68 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade D in November 2025.
  • 58 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade E in November 2025.
  • 48 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade F in November 2025.
  • 38 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade G in November 2025.

Extended tier, paper 0653/21

  • 30 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade A in November 2025.
  • 26 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade B in November 2025.
  • 21 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade C in November 2025.
  • 19 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade D in November 2025.
  • 17 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade E in November 2025.
  • 15 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade F in November 2025.
  • 13 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade G in November 2025.

Extended tier, paper 0653/22

  • 30 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade A in November 2025.
  • 25 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade B in November 2025.
  • 19 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade C in November 2025.
  • 17 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade D in November 2025.
  • 15 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade E in November 2025.
  • 13 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade F in November 2025.
  • 11 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade G in November 2025.

Extended tier, paper 0653/23

  • 27 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade A in November 2025.
  • 23 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade B in November 2025.
  • 19 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade C in November 2025.
  • 17 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade D in November 2025.
  • 15 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade E in November 2025.
  • 13 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade F in November 2025.
  • 11 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade G in November 2025.

Extended tier, paper 0653/41

  • 45 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade A in November 2025.
  • 35 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade B in November 2025.
  • 24 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade C in November 2025.
  • 20 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade D in November 2025.
  • 17 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade E in November 2025.
  • 14 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade F in November 2025.
  • 11 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade G in November 2025.

Extended tier, paper 0653/42

  • 43 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade A in November 2025.
  • 33 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade B in November 2025.
  • 22 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade C in November 2025.
  • 18 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade D in November 2025.
  • 15 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade E in November 2025.
  • 12 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade F in November 2025.
  • 10 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade G in November 2025.

Extended tier, paper 0653/43

  • 46 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade A in November 2025.
  • 35 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade B in November 2025.
  • 23 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade C in November 2025.
  • 20 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade D in November 2025.
  • 16 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade E in November 2025.
  • 13 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade F in November 2025.
  • 10 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade G in November 2025.