Table 1
Trends in Average Scale Scores for the Nation in Science, Grade 4
  1996 2000     1996 2000 2005
  No Accomodations Permitted˛     Accomodations Permitted˛
Total 150 150   147 147 151
     
Gender    
Male 151 153     148 149 153
Female 149 147   146 145 149
     
Race/Ethnicity1    
White 159 160     158 159 162
Black 122 123   120 122 129
Hispanic 127 126     124 122 133
Asian/Pacific Islander 147 -   144 - 158
American Indian - 147     129 135 138
     
Parent's Education    
Less than high school - -     - - -
Graduated high school - -   - - -
Some education after high school - -     - - -
Graduated College - -   - - -
Unknown - -     - - -
     
School Lunch Eligibility    
Eligible 133 130     129 127 135
Not Eligible 159 159   159 158 162
   Info Not Available 161 161     151 160 160
     
Type of School    
Public 148 148     145 145 149
Nonpublic 163 164   160 163 -
     
School Location    
Central City  - -     - - 143
Urban Fringe - -   - - 154
Rural - -     - - 154
     
Region    
Northeast - -     - - 154
Midwest - -   - - 155
South - -     - - 151
West - -   - - 144
     
Percentile    
10th 105 105     99 99 109
25th 130 129   125 125 130
50th 153 153     150 150 153
75th 173 174   172 172 173
90th 190 191     190 190 189
   
"-" Indicates no data available  
1 Note that none of the race groups include Hispanics of those races.  
2  In 1996, 2000 and 2005 NAEP allowed testing accommodations for students with disabilities and for limited English proficient students.  Accommodations may include extra time, one-on-one administration, use of magnifying equipment, translation of assessments, or the use of bilingual dictionaries and are determined by state and district policies. Data for 2005 unaccomodated testing are not available.  
Source:  U.S. Department of Education. Office of Educational Research                                                                                                                                               and Improvement. National Center for Education Statistics. NAEP Data                                                                                                    Explorer.  Available at:                                                                                                                                                    http://nces.ed.gov/nationsreportcard/nde/viewresults.asp.