Order
Cross-
jurisdiction
significant
difference
Number of Jurisdictions
Significantly
All students
percent at or above Basic
higher
not
different
lower
2009
National public
National public
>
0
1
17
62
1
Austin
Austin
>
0
1
15
61
2
Jefferson County (KY)
Jefferson County (KY)
>
0
2
14
57
3
Charlotte
Charlotte
>
1
4
11
52
4
Houston
Houston
>
2
3
11
49
5
San Diego
San Diego
x
2
3
11
49
6
Miami-Dade
Miami-Dade
>
2
3
11
49
Large city
Large city
6
1
11
44
7
Boston
Boston
<
6
1
9
39
8
New York City
New York City
<
6
4
6
38
9
Fresno
Fresno
<
7
4
5
34
10
Los Angeles
Los Angeles
<
7
6
3
33
11
Atlanta
Atlanta
<
7
6
3
33
12
Chicago
Chicago
<
8
6
2
29
13
Milwaukee
Milwaukee
<
9
5
2
28
14
Cleveland
Cleveland
<
11
4
1
26
15
Philadelphia
Philadelphia
<
9
7
0
25
16
Baltimore City
Baltimore City
<
14
2
0
20
17
Detroit
Detroit
<
13
3
0
20
NOTE: National public and Large city are not included in sorting the jurisdictions. Score differences are calculated based on differences between unrounded scores.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.