Trends in average mathematics scale score gaps between white students and black and Hispanic students
9, 13, and 17 years old: 1973–2004
Group
1973
1978
1982
1986
1990
1992
1994
1996
1999
2004
White versus black
Age 9
35
32
29
25
27
27
25
25
28
23
Age 13
46
42
34
24
27
29
29
29
32
27
Age 17
40
38
32
29
21
26
27
27
31
28
White versus Hispanic
Age 9
23
21
20
21
21
23
27
22
26
18
Age 13
35
34
22
19
22
20
25
25
24
23
Age 17
33
30
27
24
26
20
22
21
22
24
NOTES: Extrapolated
data for 1973 and 1978. Data with statistically significant difference
from 2004 data shown in italics. The average national score during
the period ranged from 219 to 308.
SOURCE: M. Perie, R. Moran, and
A.D. Lutkus, NAEP 2004 Trends in Academic
Progress: Three Decades of Student Performance in Reading and Mathematics NCES 2005-464,
figures 3-5 and 3-6. U.S. Department of Education, Institute of
Education Sciences, National Center for Education Statistics (2005).