Grade boundaries

Cambridge Cambridge IGCSE Chemistry 0620 grade boundaries June 2025

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

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

Grade0620/51out of 400620/52out of 400620/53out of 400620/61out of 400620/62out of 400620/63out of 40
A283030303131
B232424242525
C181818181919
D161615161717
E141413141516
F111211121314
G899101012
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, 53)out of 200Whole subject (13, 33, 63)out of 2000620/11out of 400620/12out of 400620/13out of 400620/31out of 800620/32out of 800620/33out of 80
C106106109110110111222324444545
D888893949294192121353636
E717178797477161918262827
F535461625659141615172018
G3537444538411113128129
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, 53)out of 200Whole subject (23, 43, 63)out of 2000620/21out of 400620/22out of 400620/23out of 400620/41out of 800620/42out of 800620/43out of 80
A*171172172173173173––––––
A143145145146146147282930585757
B115116116117117118232425464544
C888888898889192020333232
D767677787577171818282726
E656566676366151616232221
F535454555255131414181716
G414342434144111212131211

Marks for each grade

Paper 0620/51

  • 28 out of 40 on Cambridge 0620 paper 0620/51 was a grade A in June 2025.
  • 23 out of 40 on Cambridge 0620 paper 0620/51 was a grade B in June 2025.
  • 18 out of 40 on Cambridge 0620 paper 0620/51 was a grade C in June 2025.
  • 16 out of 40 on Cambridge 0620 paper 0620/51 was a grade D in June 2025.
  • 14 out of 40 on Cambridge 0620 paper 0620/51 was a grade E in June 2025.
  • 11 out of 40 on Cambridge 0620 paper 0620/51 was a grade F in June 2025.
  • 8 out of 40 on Cambridge 0620 paper 0620/51 was a grade G in June 2025.

Paper 0620/52

  • 30 out of 40 on Cambridge 0620 paper 0620/52 was a grade A in June 2025.
  • 24 out of 40 on Cambridge 0620 paper 0620/52 was a grade B in June 2025.
  • 18 out of 40 on Cambridge 0620 paper 0620/52 was a grade C in June 2025.
  • 16 out of 40 on Cambridge 0620 paper 0620/52 was a grade D in June 2025.
  • 14 out of 40 on Cambridge 0620 paper 0620/52 was a grade E in June 2025.
  • 12 out of 40 on Cambridge 0620 paper 0620/52 was a grade F in June 2025.
  • 9 out of 40 on Cambridge 0620 paper 0620/52 was a grade G in June 2025.

Paper 0620/53

  • 30 out of 40 on Cambridge 0620 paper 0620/53 was a grade A in June 2025.
  • 24 out of 40 on Cambridge 0620 paper 0620/53 was a grade B in June 2025.
  • 18 out of 40 on Cambridge 0620 paper 0620/53 was a grade C in June 2025.
  • 15 out of 40 on Cambridge 0620 paper 0620/53 was a grade D in June 2025.
  • 13 out of 40 on Cambridge 0620 paper 0620/53 was a grade E in June 2025.
  • 11 out of 40 on Cambridge 0620 paper 0620/53 was a grade F in June 2025.
  • 9 out of 40 on Cambridge 0620 paper 0620/53 was a grade G in June 2025.

Paper 0620/61

  • 30 out of 40 on Cambridge 0620 paper 0620/61 was a grade A in June 2025.
  • 24 out of 40 on Cambridge 0620 paper 0620/61 was a grade B in June 2025.
  • 18 out of 40 on Cambridge 0620 paper 0620/61 was a grade C in June 2025.
  • 16 out of 40 on Cambridge 0620 paper 0620/61 was a grade D in June 2025.
  • 14 out of 40 on Cambridge 0620 paper 0620/61 was a grade E in June 2025.
  • 12 out of 40 on Cambridge 0620 paper 0620/61 was a grade F in June 2025.
  • 10 out of 40 on Cambridge 0620 paper 0620/61 was a grade G in June 2025.

Paper 0620/62

  • 31 out of 40 on Cambridge 0620 paper 0620/62 was a grade A in June 2025.
  • 25 out of 40 on Cambridge 0620 paper 0620/62 was a grade B in June 2025.
  • 19 out of 40 on Cambridge 0620 paper 0620/62 was a grade C in June 2025.
  • 17 out of 40 on Cambridge 0620 paper 0620/62 was a grade D in June 2025.
  • 15 out of 40 on Cambridge 0620 paper 0620/62 was a grade E in June 2025.
  • 13 out of 40 on Cambridge 0620 paper 0620/62 was a grade F in June 2025.
  • 10 out of 40 on Cambridge 0620 paper 0620/62 was a grade G in June 2025.

Paper 0620/63

  • 31 out of 40 on Cambridge 0620 paper 0620/63 was a grade A in June 2025.
  • 25 out of 40 on Cambridge 0620 paper 0620/63 was a grade B in June 2025.
  • 19 out of 40 on Cambridge 0620 paper 0620/63 was a grade C in June 2025.
  • 17 out of 40 on Cambridge 0620 paper 0620/63 was a grade D in June 2025.
  • 16 out of 40 on Cambridge 0620 paper 0620/63 was a grade E in June 2025.
  • 14 out of 40 on Cambridge 0620 paper 0620/63 was a grade F in June 2025.
  • 12 out of 40 on Cambridge 0620 paper 0620/63 was a grade G in June 2025.

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

  • 106 out of 200 on Cambridge 0620 Core tier (11, 31, 51) in total was a grade C in June 2025.
  • 88 out of 200 on Cambridge 0620 Core tier (11, 31, 51) in total was a grade D in June 2025.
  • 71 out of 200 on Cambridge 0620 Core tier (11, 31, 51) in total was a grade E in June 2025.
  • 53 out of 200 on Cambridge 0620 Core tier (11, 31, 51) in total was a grade F in June 2025.
  • 35 out of 200 on Cambridge 0620 Core tier (11, 31, 51) in total was a grade G in June 2025.

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

  • 106 out of 200 on Cambridge 0620 Core tier (11, 31, 61) in total was a grade C in June 2025.
  • 88 out of 200 on Cambridge 0620 Core tier (11, 31, 61) in total was a grade D in June 2025.
  • 71 out of 200 on Cambridge 0620 Core tier (11, 31, 61) in total was a grade E in June 2025.
  • 54 out of 200 on Cambridge 0620 Core tier (11, 31, 61) in total was a grade F in June 2025.
  • 37 out of 200 on Cambridge 0620 Core tier (11, 31, 61) in total was a grade G in June 2025.

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

  • 109 out of 200 on Cambridge 0620 Core tier (12, 32, 52) in total was a grade C in June 2025.
  • 93 out of 200 on Cambridge 0620 Core tier (12, 32, 52) in total was a grade D in June 2025.
  • 78 out of 200 on Cambridge 0620 Core tier (12, 32, 52) in total was a grade E in June 2025.
  • 61 out of 200 on Cambridge 0620 Core tier (12, 32, 52) in total was a grade F in June 2025.
  • 44 out of 200 on Cambridge 0620 Core tier (12, 32, 52) in total was a grade G in June 2025.

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

  • 110 out of 200 on Cambridge 0620 Core tier (12, 32, 62) in total was a grade C in June 2025.
  • 94 out of 200 on Cambridge 0620 Core tier (12, 32, 62) in total was a grade D in June 2025.
  • 79 out of 200 on Cambridge 0620 Core tier (12, 32, 62) in total was a grade E in June 2025.
  • 62 out of 200 on Cambridge 0620 Core tier (12, 32, 62) in total was a grade F in June 2025.
  • 45 out of 200 on Cambridge 0620 Core tier (12, 32, 62) in total was a grade G in June 2025.

Core tier, in total (13, 33, 53)

  • 110 out of 200 on Cambridge 0620 Core tier (13, 33, 53) in total was a grade C in June 2025.
  • 92 out of 200 on Cambridge 0620 Core tier (13, 33, 53) in total was a grade D in June 2025.
  • 74 out of 200 on Cambridge 0620 Core tier (13, 33, 53) in total was a grade E in June 2025.
  • 56 out of 200 on Cambridge 0620 Core tier (13, 33, 53) in total was a grade F in June 2025.
  • 38 out of 200 on Cambridge 0620 Core tier (13, 33, 53) in total was a grade G in June 2025.

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

  • 111 out of 200 on Cambridge 0620 Core tier (13, 33, 63) in total was a grade C in June 2025.
  • 94 out of 200 on Cambridge 0620 Core tier (13, 33, 63) in total was a grade D in June 2025.
  • 77 out of 200 on Cambridge 0620 Core tier (13, 33, 63) in total was a grade E in June 2025.
  • 59 out of 200 on Cambridge 0620 Core tier (13, 33, 63) in total was a grade F in June 2025.
  • 41 out of 200 on Cambridge 0620 Core tier (13, 33, 63) in total was a grade G in June 2025.

Core tier, paper 0620/11

  • 22 out of 40 on Cambridge 0620 Core paper 0620/11 was a grade C in June 2025.
  • 19 out of 40 on Cambridge 0620 Core paper 0620/11 was a grade D in June 2025.
  • 16 out of 40 on Cambridge 0620 Core paper 0620/11 was a grade E in June 2025.
  • 14 out of 40 on Cambridge 0620 Core paper 0620/11 was a grade F in June 2025.
  • 11 out of 40 on Cambridge 0620 Core paper 0620/11 was a grade G in June 2025.

Core tier, paper 0620/12

  • 23 out of 40 on Cambridge 0620 Core paper 0620/12 was a grade C in June 2025.
  • 21 out of 40 on Cambridge 0620 Core paper 0620/12 was a grade D in June 2025.
  • 19 out of 40 on Cambridge 0620 Core paper 0620/12 was a grade E in June 2025.
  • 16 out of 40 on Cambridge 0620 Core paper 0620/12 was a grade F in June 2025.
  • 13 out of 40 on Cambridge 0620 Core paper 0620/12 was a grade G in June 2025.

Core tier, paper 0620/13

  • 24 out of 40 on Cambridge 0620 Core paper 0620/13 was a grade C in June 2025.
  • 21 out of 40 on Cambridge 0620 Core paper 0620/13 was a grade D in June 2025.
  • 18 out of 40 on Cambridge 0620 Core paper 0620/13 was a grade E in June 2025.
  • 15 out of 40 on Cambridge 0620 Core paper 0620/13 was a grade F in June 2025.
  • 12 out of 40 on Cambridge 0620 Core paper 0620/13 was a grade G in June 2025.

Core tier, paper 0620/31

  • 44 out of 80 on Cambridge 0620 Core paper 0620/31 was a grade C in June 2025.
  • 35 out of 80 on Cambridge 0620 Core paper 0620/31 was a grade D in June 2025.
  • 26 out of 80 on Cambridge 0620 Core paper 0620/31 was a grade E in June 2025.
  • 17 out of 80 on Cambridge 0620 Core paper 0620/31 was a grade F in June 2025.
  • 8 out of 80 on Cambridge 0620 Core paper 0620/31 was a grade G in June 2025.

Core tier, paper 0620/32

  • 45 out of 80 on Cambridge 0620 Core paper 0620/32 was a grade C in June 2025.
  • 36 out of 80 on Cambridge 0620 Core paper 0620/32 was a grade D in June 2025.
  • 28 out of 80 on Cambridge 0620 Core paper 0620/32 was a grade E in June 2025.
  • 20 out of 80 on Cambridge 0620 Core paper 0620/32 was a grade F in June 2025.
  • 12 out of 80 on Cambridge 0620 Core paper 0620/32 was a grade G in June 2025.

Core tier, paper 0620/33

  • 45 out of 80 on Cambridge 0620 Core paper 0620/33 was a grade C in June 2025.
  • 36 out of 80 on Cambridge 0620 Core paper 0620/33 was a grade D in June 2025.
  • 27 out of 80 on Cambridge 0620 Core paper 0620/33 was a grade E in June 2025.
  • 18 out of 80 on Cambridge 0620 Core paper 0620/33 was a grade F in June 2025.
  • 9 out of 80 on Cambridge 0620 Core paper 0620/33 was a grade G in June 2025.

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

  • 171 out of 200 on Cambridge 0620 Extended tier (21, 41, 51) in total was a grade A* in June 2025.
  • 143 out of 200 on Cambridge 0620 Extended tier (21, 41, 51) in total was a grade A in June 2025.
  • 115 out of 200 on Cambridge 0620 Extended tier (21, 41, 51) in total was a grade B in June 2025.
  • 88 out of 200 on Cambridge 0620 Extended tier (21, 41, 51) in total was a grade C in June 2025.
  • 76 out of 200 on Cambridge 0620 Extended tier (21, 41, 51) in total was a grade D in June 2025.
  • 65 out of 200 on Cambridge 0620 Extended tier (21, 41, 51) in total was a grade E in June 2025.
  • 53 out of 200 on Cambridge 0620 Extended tier (21, 41, 51) in total was a grade F in June 2025.
  • 41 out of 200 on Cambridge 0620 Extended tier (21, 41, 51) in total was a grade G in June 2025.

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

  • 172 out of 200 on Cambridge 0620 Extended tier (21, 41, 61) in total was a grade A* in June 2025.
  • 145 out of 200 on Cambridge 0620 Extended tier (21, 41, 61) in total was a grade A in June 2025.
  • 116 out of 200 on Cambridge 0620 Extended tier (21, 41, 61) in total was a grade B in June 2025.
  • 88 out of 200 on Cambridge 0620 Extended tier (21, 41, 61) in total was a grade C in June 2025.
  • 76 out of 200 on Cambridge 0620 Extended tier (21, 41, 61) in total was a grade D in June 2025.
  • 65 out of 200 on Cambridge 0620 Extended tier (21, 41, 61) in total was a grade E in June 2025.
  • 54 out of 200 on Cambridge 0620 Extended tier (21, 41, 61) in total was a grade F in June 2025.
  • 43 out of 200 on Cambridge 0620 Extended tier (21, 41, 61) in total was a grade G in June 2025.

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

  • 172 out of 200 on Cambridge 0620 Extended tier (22, 42, 52) in total was a grade A* in June 2025.
  • 145 out of 200 on Cambridge 0620 Extended tier (22, 42, 52) in total was a grade A in June 2025.
  • 116 out of 200 on Cambridge 0620 Extended tier (22, 42, 52) in total was a grade B in June 2025.
  • 88 out of 200 on Cambridge 0620 Extended tier (22, 42, 52) in total was a grade C in June 2025.
  • 77 out of 200 on Cambridge 0620 Extended tier (22, 42, 52) in total was a grade D in June 2025.
  • 66 out of 200 on Cambridge 0620 Extended tier (22, 42, 52) in total was a grade E in June 2025.
  • 54 out of 200 on Cambridge 0620 Extended tier (22, 42, 52) in total was a grade F in June 2025.
  • 42 out of 200 on Cambridge 0620 Extended tier (22, 42, 52) in total was a grade G in June 2025.

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

  • 173 out of 200 on Cambridge 0620 Extended tier (22, 42, 62) in total was a grade A* in June 2025.
  • 146 out of 200 on Cambridge 0620 Extended tier (22, 42, 62) in total was a grade A in June 2025.
  • 117 out of 200 on Cambridge 0620 Extended tier (22, 42, 62) in total was a grade B in June 2025.
  • 89 out of 200 on Cambridge 0620 Extended tier (22, 42, 62) in total was a grade C in June 2025.
  • 78 out of 200 on Cambridge 0620 Extended tier (22, 42, 62) in total was a grade D in June 2025.
  • 67 out of 200 on Cambridge 0620 Extended tier (22, 42, 62) in total was a grade E in June 2025.
  • 55 out of 200 on Cambridge 0620 Extended tier (22, 42, 62) in total was a grade F in June 2025.
  • 43 out of 200 on Cambridge 0620 Extended tier (22, 42, 62) in total was a grade G in June 2025.

Extended tier, in total (23, 43, 53)

  • 173 out of 200 on Cambridge 0620 Extended tier (23, 43, 53) in total was a grade A* in June 2025.
  • 146 out of 200 on Cambridge 0620 Extended tier (23, 43, 53) in total was a grade A in June 2025.
  • 117 out of 200 on Cambridge 0620 Extended tier (23, 43, 53) in total was a grade B in June 2025.
  • 88 out of 200 on Cambridge 0620 Extended tier (23, 43, 53) in total was a grade C in June 2025.
  • 75 out of 200 on Cambridge 0620 Extended tier (23, 43, 53) in total was a grade D in June 2025.
  • 63 out of 200 on Cambridge 0620 Extended tier (23, 43, 53) in total was a grade E in June 2025.
  • 52 out of 200 on Cambridge 0620 Extended tier (23, 43, 53) in total was a grade F in June 2025.
  • 41 out of 200 on Cambridge 0620 Extended tier (23, 43, 53) in total was a grade G in June 2025.

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

  • 173 out of 200 on Cambridge 0620 Extended tier (23, 43, 63) in total was a grade A* in June 2025.
  • 147 out of 200 on Cambridge 0620 Extended tier (23, 43, 63) in total was a grade A in June 2025.
  • 118 out of 200 on Cambridge 0620 Extended tier (23, 43, 63) in total was a grade B in June 2025.
  • 89 out of 200 on Cambridge 0620 Extended tier (23, 43, 63) in total was a grade C in June 2025.
  • 77 out of 200 on Cambridge 0620 Extended tier (23, 43, 63) in total was a grade D in June 2025.
  • 66 out of 200 on Cambridge 0620 Extended tier (23, 43, 63) in total was a grade E in June 2025.
  • 55 out of 200 on Cambridge 0620 Extended tier (23, 43, 63) in total was a grade F in June 2025.
  • 44 out of 200 on Cambridge 0620 Extended tier (23, 43, 63) in total was a grade G in June 2025.

Extended tier, paper 0620/21

  • 28 out of 40 on Cambridge 0620 Extended paper 0620/21 was a grade A in June 2025.
  • 23 out of 40 on Cambridge 0620 Extended paper 0620/21 was a grade B in June 2025.
  • 19 out of 40 on Cambridge 0620 Extended paper 0620/21 was a grade C in June 2025.
  • 17 out of 40 on Cambridge 0620 Extended paper 0620/21 was a grade D in June 2025.
  • 15 out of 40 on Cambridge 0620 Extended paper 0620/21 was a grade E in June 2025.
  • 13 out of 40 on Cambridge 0620 Extended paper 0620/21 was a grade F in June 2025.
  • 11 out of 40 on Cambridge 0620 Extended paper 0620/21 was a grade G in June 2025.

Extended tier, paper 0620/22

  • 29 out of 40 on Cambridge 0620 Extended paper 0620/22 was a grade A in June 2025.
  • 24 out of 40 on Cambridge 0620 Extended paper 0620/22 was a grade B in June 2025.
  • 20 out of 40 on Cambridge 0620 Extended paper 0620/22 was a grade C in June 2025.
  • 18 out of 40 on Cambridge 0620 Extended paper 0620/22 was a grade D in June 2025.
  • 16 out of 40 on Cambridge 0620 Extended paper 0620/22 was a grade E in June 2025.
  • 14 out of 40 on Cambridge 0620 Extended paper 0620/22 was a grade F in June 2025.
  • 12 out of 40 on Cambridge 0620 Extended paper 0620/22 was a grade G in June 2025.

Extended tier, paper 0620/23

  • 30 out of 40 on Cambridge 0620 Extended paper 0620/23 was a grade A in June 2025.
  • 25 out of 40 on Cambridge 0620 Extended paper 0620/23 was a grade B in June 2025.
  • 20 out of 40 on Cambridge 0620 Extended paper 0620/23 was a grade C in June 2025.
  • 18 out of 40 on Cambridge 0620 Extended paper 0620/23 was a grade D in June 2025.
  • 16 out of 40 on Cambridge 0620 Extended paper 0620/23 was a grade E in June 2025.
  • 14 out of 40 on Cambridge 0620 Extended paper 0620/23 was a grade F in June 2025.
  • 12 out of 40 on Cambridge 0620 Extended paper 0620/23 was a grade G in June 2025.

Extended tier, paper 0620/41

  • 58 out of 80 on Cambridge 0620 Extended paper 0620/41 was a grade A in June 2025.
  • 46 out of 80 on Cambridge 0620 Extended paper 0620/41 was a grade B in June 2025.
  • 33 out of 80 on Cambridge 0620 Extended paper 0620/41 was a grade C in June 2025.
  • 28 out of 80 on Cambridge 0620 Extended paper 0620/41 was a grade D in June 2025.
  • 23 out of 80 on Cambridge 0620 Extended paper 0620/41 was a grade E in June 2025.
  • 18 out of 80 on Cambridge 0620 Extended paper 0620/41 was a grade F in June 2025.
  • 13 out of 80 on Cambridge 0620 Extended paper 0620/41 was a grade G in June 2025.

Extended tier, paper 0620/42

  • 57 out of 80 on Cambridge 0620 Extended paper 0620/42 was a grade A in June 2025.
  • 45 out of 80 on Cambridge 0620 Extended paper 0620/42 was a grade B in June 2025.
  • 32 out of 80 on Cambridge 0620 Extended paper 0620/42 was a grade C in June 2025.
  • 27 out of 80 on Cambridge 0620 Extended paper 0620/42 was a grade D in June 2025.
  • 22 out of 80 on Cambridge 0620 Extended paper 0620/42 was a grade E in June 2025.
  • 17 out of 80 on Cambridge 0620 Extended paper 0620/42 was a grade F in June 2025.
  • 12 out of 80 on Cambridge 0620 Extended paper 0620/42 was a grade G in June 2025.

Extended tier, paper 0620/43

  • 57 out of 80 on Cambridge 0620 Extended paper 0620/43 was a grade A in June 2025.
  • 44 out of 80 on Cambridge 0620 Extended paper 0620/43 was a grade B in June 2025.
  • 32 out of 80 on Cambridge 0620 Extended paper 0620/43 was a grade C in June 2025.
  • 26 out of 80 on Cambridge 0620 Extended paper 0620/43 was a grade D in June 2025.
  • 21 out of 80 on Cambridge 0620 Extended paper 0620/43 was a grade E in June 2025.
  • 16 out of 80 on Cambridge 0620 Extended paper 0620/43 was a grade F in June 2025.
  • 11 out of 80 on Cambridge 0620 Extended paper 0620/43 was a grade G in June 2025.