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Table 5 International gender gap in math and reading test scores at various percentiles

From: Decomposing international gender test score differences

 

1st

5th

10th

25th

50th = median

Std. dev.

75th

90th

95th

99th

Test score performance in mathematics

Girls’ scores

248.8

305.51

336.66

391.97

460.59

100.17

532.96

596.60

632.74

698.17

Boys’scores

246.31

307.14

339.78

398.75

472.12

106.16

549.39

616.30

652.99

717.64

Gender gap = (Girls–Boys)

2.49

− 1.63

− 3.12

− 6.78

− 11.53

 

− 16.43

− 19.7

− 20.25

− 19.47

Test score performance in reading

Girls’ scores

257.36

327.42

363.88

424.48

491.84

96.49

556.97

612.02

643.32

698.28

Boys’scores

201.99

276.09

315.95

381.95

456.29

105.22

528.46

587.81

620.13

678.35

Gender gap = (Girls–Boys)

55.37

51.33

47.93

42.53

35.55

 

28.51

24.21

23.19

19.93

  1. Firstly, we calculated the performance percentiles for girls and boys separately for each assessment and then for each assessment, we calculated the gender differences in performance distribution by subtracting the boys’ scores from girls’ scores