Grade boundaries

Cambridge Cambridge IGCSE Science - Combined 0653 grade boundaries June 2026

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

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

GradeWhole subjectout of 900653/50out of 900653/51out of 400653/52out of 400653/53out of 400653/61out of 400653/62out of 400653/63out of 40
A*80–––––––
A7171272828272827
B6262232424232423
C5353202121202119
D4545171818171816
E3838141515141513
F3131121212121211
G242410991099
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 2000653/11out of 400653/12out of 400653/13out of 400653/31out of 800653/32out of 800653/33out of 80
C919193939391201919333535
D787880808078181717272929
E666668686866161515222424
F535354545453141313161818
G404040404040121111101212
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 2000653/21out of 400653/22out of 400653/23out of 400653/41out of 800653/42out of 800653/43out of 80
A*146146145145146145––––––
A124124122122123122262626464445
B102102999910099232322363234
C808076767876201919242123
D696965656866181717201720
E595955555856161515171416
F494945454746141313131112
G393935353636121111988

Marks for each grade

In total

  • 80 out of 90 on Cambridge 0653 in total was a grade A* in June 2026.
  • 71 out of 90 on Cambridge 0653 in total was a grade A in June 2026.
  • 62 out of 90 on Cambridge 0653 in total was a grade B in June 2026.
  • 53 out of 90 on Cambridge 0653 in total was a grade C in June 2026.
  • 45 out of 90 on Cambridge 0653 in total was a grade D in June 2026.
  • 38 out of 90 on Cambridge 0653 in total was a grade E in June 2026.
  • 31 out of 90 on Cambridge 0653 in total was a grade F in June 2026.
  • 24 out of 90 on Cambridge 0653 in total was a grade G in June 2026.

Paper 0653/50

  • 71 out of 90 on Cambridge 0653 paper 0653/50 was a grade A in June 2026.
  • 62 out of 90 on Cambridge 0653 paper 0653/50 was a grade B in June 2026.
  • 53 out of 90 on Cambridge 0653 paper 0653/50 was a grade C in June 2026.
  • 45 out of 90 on Cambridge 0653 paper 0653/50 was a grade D in June 2026.
  • 38 out of 90 on Cambridge 0653 paper 0653/50 was a grade E in June 2026.
  • 31 out of 90 on Cambridge 0653 paper 0653/50 was a grade F in June 2026.
  • 24 out of 90 on Cambridge 0653 paper 0653/50 was a grade G in June 2026.

Paper 0653/51

  • 27 out of 40 on Cambridge 0653 paper 0653/51 was a grade A in June 2026.
  • 23 out of 40 on Cambridge 0653 paper 0653/51 was a grade B in June 2026.
  • 20 out of 40 on Cambridge 0653 paper 0653/51 was a grade C in June 2026.
  • 17 out of 40 on Cambridge 0653 paper 0653/51 was a grade D in June 2026.
  • 14 out of 40 on Cambridge 0653 paper 0653/51 was a grade E in June 2026.
  • 12 out of 40 on Cambridge 0653 paper 0653/51 was a grade F in June 2026.
  • 10 out of 40 on Cambridge 0653 paper 0653/51 was a grade G in June 2026.

Paper 0653/52

  • 28 out of 40 on Cambridge 0653 paper 0653/52 was a grade A in June 2026.
  • 24 out of 40 on Cambridge 0653 paper 0653/52 was a grade B in June 2026.
  • 21 out of 40 on Cambridge 0653 paper 0653/52 was a grade C in June 2026.
  • 18 out of 40 on Cambridge 0653 paper 0653/52 was a grade D in June 2026.
  • 15 out of 40 on Cambridge 0653 paper 0653/52 was a grade E in June 2026.
  • 12 out of 40 on Cambridge 0653 paper 0653/52 was a grade F in June 2026.
  • 9 out of 40 on Cambridge 0653 paper 0653/52 was a grade G in June 2026.

Paper 0653/53

  • 28 out of 40 on Cambridge 0653 paper 0653/53 was a grade A in June 2026.
  • 24 out of 40 on Cambridge 0653 paper 0653/53 was a grade B in June 2026.
  • 21 out of 40 on Cambridge 0653 paper 0653/53 was a grade C in June 2026.
  • 18 out of 40 on Cambridge 0653 paper 0653/53 was a grade D in June 2026.
  • 15 out of 40 on Cambridge 0653 paper 0653/53 was a grade E in June 2026.
  • 12 out of 40 on Cambridge 0653 paper 0653/53 was a grade F in June 2026.
  • 9 out of 40 on Cambridge 0653 paper 0653/53 was a grade G in June 2026.

Paper 0653/61

  • 27 out of 40 on Cambridge 0653 paper 0653/61 was a grade A in June 2026.
  • 23 out of 40 on Cambridge 0653 paper 0653/61 was a grade B in June 2026.
  • 20 out of 40 on Cambridge 0653 paper 0653/61 was a grade C in June 2026.
  • 17 out of 40 on Cambridge 0653 paper 0653/61 was a grade D in June 2026.
  • 14 out of 40 on Cambridge 0653 paper 0653/61 was a grade E in June 2026.
  • 12 out of 40 on Cambridge 0653 paper 0653/61 was a grade F in June 2026.
  • 10 out of 40 on Cambridge 0653 paper 0653/61 was a grade G in June 2026.

Paper 0653/62

  • 28 out of 40 on Cambridge 0653 paper 0653/62 was a grade A in June 2026.
  • 24 out of 40 on Cambridge 0653 paper 0653/62 was a grade B in June 2026.
  • 21 out of 40 on Cambridge 0653 paper 0653/62 was a grade C in June 2026.
  • 18 out of 40 on Cambridge 0653 paper 0653/62 was a grade D in June 2026.
  • 15 out of 40 on Cambridge 0653 paper 0653/62 was a grade E in June 2026.
  • 12 out of 40 on Cambridge 0653 paper 0653/62 was a grade F in June 2026.
  • 9 out of 40 on Cambridge 0653 paper 0653/62 was a grade G in June 2026.

Paper 0653/63

  • 27 out of 40 on Cambridge 0653 paper 0653/63 was a grade A in June 2026.
  • 23 out of 40 on Cambridge 0653 paper 0653/63 was a grade B in June 2026.
  • 19 out of 40 on Cambridge 0653 paper 0653/63 was a grade C in June 2026.
  • 16 out of 40 on Cambridge 0653 paper 0653/63 was a grade D in June 2026.
  • 13 out of 40 on Cambridge 0653 paper 0653/63 was a grade E in June 2026.
  • 11 out of 40 on Cambridge 0653 paper 0653/63 was a grade F in June 2026.
  • 9 out of 40 on Cambridge 0653 paper 0653/63 was a grade G in June 2026.

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

  • 91 out of 200 on Cambridge 0653 Core tier (11, 31, 51) in total was a grade C in June 2026.
  • 78 out of 200 on Cambridge 0653 Core tier (11, 31, 51) in total was a grade D in June 2026.
  • 66 out of 200 on Cambridge 0653 Core tier (11, 31, 51) in total was a grade E in June 2026.
  • 53 out of 200 on Cambridge 0653 Core tier (11, 31, 51) in total was a grade F in June 2026.
  • 40 out of 200 on Cambridge 0653 Core tier (11, 31, 51) in total was a grade G in June 2026.

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

  • 91 out of 200 on Cambridge 0653 Core tier (11, 31, 61) in total was a grade C in June 2026.
  • 78 out of 200 on Cambridge 0653 Core tier (11, 31, 61) in total was a grade D in June 2026.
  • 66 out of 200 on Cambridge 0653 Core tier (11, 31, 61) in total was a grade E in June 2026.
  • 53 out of 200 on Cambridge 0653 Core tier (11, 31, 61) in total was a grade F in June 2026.
  • 40 out of 200 on Cambridge 0653 Core tier (11, 31, 61) in total was a grade G in June 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 June 2026.
  • 80 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade D in June 2026.
  • 68 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade E in June 2026.
  • 54 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade F in June 2026.
  • 40 out of 200 on Cambridge 0653 Core tier (12, 32, 52) in total was a grade G in June 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 June 2026.
  • 80 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade D in June 2026.
  • 68 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade E in June 2026.
  • 54 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade F in June 2026.
  • 40 out of 200 on Cambridge 0653 Core tier (12, 32, 62) in total was a grade G in June 2026.

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

  • 93 out of 200 on Cambridge 0653 Core tier (13, 33, 53) in total was a grade C in June 2026.
  • 80 out of 200 on Cambridge 0653 Core tier (13, 33, 53) in total was a grade D in June 2026.
  • 68 out of 200 on Cambridge 0653 Core tier (13, 33, 53) in total was a grade E in June 2026.
  • 54 out of 200 on Cambridge 0653 Core tier (13, 33, 53) in total was a grade F in June 2026.
  • 40 out of 200 on Cambridge 0653 Core tier (13, 33, 53) in total was a grade G in June 2026.

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

  • 91 out of 200 on Cambridge 0653 Core tier (13, 33, 63) in total was a grade C in June 2026.
  • 78 out of 200 on Cambridge 0653 Core tier (13, 33, 63) in total was a grade D in June 2026.
  • 66 out of 200 on Cambridge 0653 Core tier (13, 33, 63) in total was a grade E in June 2026.
  • 53 out of 200 on Cambridge 0653 Core tier (13, 33, 63) in total was a grade F in June 2026.
  • 40 out of 200 on Cambridge 0653 Core tier (13, 33, 63) in total was a grade G in June 2026.

Core tier, paper 0653/11

  • 20 out of 40 on Cambridge 0653 Core paper 0653/11 was a grade C in June 2026.
  • 18 out of 40 on Cambridge 0653 Core paper 0653/11 was a grade D in June 2026.
  • 16 out of 40 on Cambridge 0653 Core paper 0653/11 was a grade E in June 2026.
  • 14 out of 40 on Cambridge 0653 Core paper 0653/11 was a grade F in June 2026.
  • 12 out of 40 on Cambridge 0653 Core paper 0653/11 was a grade G in June 2026.

Core tier, paper 0653/12

  • 19 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade C in June 2026.
  • 17 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade D in June 2026.
  • 15 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade E in June 2026.
  • 13 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade F in June 2026.
  • 11 out of 40 on Cambridge 0653 Core paper 0653/12 was a grade G in June 2026.

Core tier, paper 0653/13

  • 19 out of 40 on Cambridge 0653 Core paper 0653/13 was a grade C in June 2026.
  • 17 out of 40 on Cambridge 0653 Core paper 0653/13 was a grade D in June 2026.
  • 15 out of 40 on Cambridge 0653 Core paper 0653/13 was a grade E in June 2026.
  • 13 out of 40 on Cambridge 0653 Core paper 0653/13 was a grade F in June 2026.
  • 11 out of 40 on Cambridge 0653 Core paper 0653/13 was a grade G in June 2026.

Core tier, paper 0653/31

  • 33 out of 80 on Cambridge 0653 Core paper 0653/31 was a grade C in June 2026.
  • 27 out of 80 on Cambridge 0653 Core paper 0653/31 was a grade D in June 2026.
  • 22 out of 80 on Cambridge 0653 Core paper 0653/31 was a grade E in June 2026.
  • 16 out of 80 on Cambridge 0653 Core paper 0653/31 was a grade F in June 2026.
  • 10 out of 80 on Cambridge 0653 Core paper 0653/31 was a grade G in June 2026.

Core tier, paper 0653/32

  • 35 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade C in June 2026.
  • 29 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade D in June 2026.
  • 24 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade E in June 2026.
  • 18 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade F in June 2026.
  • 12 out of 80 on Cambridge 0653 Core paper 0653/32 was a grade G in June 2026.

Core tier, paper 0653/33

  • 35 out of 80 on Cambridge 0653 Core paper 0653/33 was a grade C in June 2026.
  • 29 out of 80 on Cambridge 0653 Core paper 0653/33 was a grade D in June 2026.
  • 24 out of 80 on Cambridge 0653 Core paper 0653/33 was a grade E in June 2026.
  • 18 out of 80 on Cambridge 0653 Core paper 0653/33 was a grade F in June 2026.
  • 12 out of 80 on Cambridge 0653 Core paper 0653/33 was a grade G in June 2026.

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

  • 146 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade A* in June 2026.
  • 124 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade A in June 2026.
  • 102 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade B in June 2026.
  • 80 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade C in June 2026.
  • 69 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade D in June 2026.
  • 59 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade E in June 2026.
  • 49 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade F in June 2026.
  • 39 out of 200 on Cambridge 0653 Extended tier (21, 41, 51) in total was a grade G in June 2026.

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

  • 146 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade A* in June 2026.
  • 124 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade A in June 2026.
  • 102 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade B in June 2026.
  • 80 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade C in June 2026.
  • 69 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade D in June 2026.
  • 59 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade E in June 2026.
  • 49 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade F in June 2026.
  • 39 out of 200 on Cambridge 0653 Extended tier (21, 41, 61) in total was a grade G in June 2026.

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

  • 145 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade A* in June 2026.
  • 122 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade A in June 2026.
  • 99 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade B in June 2026.
  • 76 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade C in June 2026.
  • 65 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade D in June 2026.
  • 55 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade E in June 2026.
  • 45 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade F in June 2026.
  • 35 out of 200 on Cambridge 0653 Extended tier (22, 42, 52) in total was a grade G in June 2026.

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

  • 145 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade A* in June 2026.
  • 122 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade A in June 2026.
  • 99 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade B in June 2026.
  • 76 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade C in June 2026.
  • 65 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade D in June 2026.
  • 55 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade E in June 2026.
  • 45 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade F in June 2026.
  • 35 out of 200 on Cambridge 0653 Extended tier (22, 42, 62) in total was a grade G in June 2026.

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

  • 146 out of 200 on Cambridge 0653 Extended tier (23, 43, 53) in total was a grade A* in June 2026.
  • 123 out of 200 on Cambridge 0653 Extended tier (23, 43, 53) in total was a grade A in June 2026.
  • 100 out of 200 on Cambridge 0653 Extended tier (23, 43, 53) in total was a grade B in June 2026.
  • 78 out of 200 on Cambridge 0653 Extended tier (23, 43, 53) in total was a grade C in June 2026.
  • 68 out of 200 on Cambridge 0653 Extended tier (23, 43, 53) in total was a grade D in June 2026.
  • 58 out of 200 on Cambridge 0653 Extended tier (23, 43, 53) in total was a grade E in June 2026.
  • 47 out of 200 on Cambridge 0653 Extended tier (23, 43, 53) in total was a grade F in June 2026.
  • 36 out of 200 on Cambridge 0653 Extended tier (23, 43, 53) in total was a grade G in June 2026.

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

  • 145 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade A* in June 2026.
  • 122 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade A in June 2026.
  • 99 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade B in June 2026.
  • 76 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade C in June 2026.
  • 66 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade D in June 2026.
  • 56 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade E in June 2026.
  • 46 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade F in June 2026.
  • 36 out of 200 on Cambridge 0653 Extended tier (23, 43, 63) in total was a grade G in June 2026.

Extended tier, paper 0653/21

  • 26 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade A in June 2026.
  • 23 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade B in June 2026.
  • 20 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade C in June 2026.
  • 18 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade D in June 2026.
  • 16 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade E in June 2026.
  • 14 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade F in June 2026.
  • 12 out of 40 on Cambridge 0653 Extended paper 0653/21 was a grade G in June 2026.

Extended tier, paper 0653/22

  • 26 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade A in June 2026.
  • 23 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade B in June 2026.
  • 19 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade C in June 2026.
  • 17 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade D in June 2026.
  • 15 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade E in June 2026.
  • 13 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade F in June 2026.
  • 11 out of 40 on Cambridge 0653 Extended paper 0653/22 was a grade G in June 2026.

Extended tier, paper 0653/23

  • 26 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade A in June 2026.
  • 22 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade B in June 2026.
  • 19 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade C in June 2026.
  • 17 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade D in June 2026.
  • 15 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade E in June 2026.
  • 13 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade F in June 2026.
  • 11 out of 40 on Cambridge 0653 Extended paper 0653/23 was a grade G in June 2026.

Extended tier, paper 0653/41

  • 46 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade A in June 2026.
  • 36 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade B in June 2026.
  • 24 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade C in June 2026.
  • 20 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade D in June 2026.
  • 17 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade E in June 2026.
  • 13 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade F in June 2026.
  • 9 out of 80 on Cambridge 0653 Extended paper 0653/41 was a grade G in June 2026.

Extended tier, paper 0653/42

  • 44 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade A in June 2026.
  • 32 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade B in June 2026.
  • 21 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade C in June 2026.
  • 17 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade D in June 2026.
  • 14 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade E in June 2026.
  • 11 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade F in June 2026.
  • 8 out of 80 on Cambridge 0653 Extended paper 0653/42 was a grade G in June 2026.

Extended tier, paper 0653/43

  • 45 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade A in June 2026.
  • 34 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade B in June 2026.
  • 23 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade C in June 2026.
  • 20 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade D in June 2026.
  • 16 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade E in June 2026.
  • 12 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade F in June 2026.
  • 8 out of 80 on Cambridge 0653 Extended paper 0653/43 was a grade G in June 2026.