Table 3
Trends in Average Scale Scores for the Nation in Science, Grade 12
  1996 2000     1996 2000 2005
  No Accomodations Permitted˛     Accomodations Permitted˛
Total 150 147   150 146 147
     
Gender    
Male 152 148     154 148 149
Female 148 145   147 145 145
     
Race/Ethnicity1    
White 158 153     159 153 156
Black 123 123   123 122 120
Hispanic 129 128     131 128 128
Asian/Pacific Islander 145 151   147 149 153
American Indian - 147     144 151 139
     
Parent's Education    
Less than high school 123 126     125 125 125
Graduated high school 140 135   139 135 136
Some education after high school 151 146     151 146 148
Graduated College 160 157   160 156 157
Unknown 116 114     121 114 119
     
School Lunch Eligibility    
Eligible 125 126     127 124 129
Not Eligible 154 150   154 149 152
   Info Not Available 150 150     152 150 158
     
Type of School    
Public 149 145     150 145 146
Nonpublic 155 160   156 160 -
     
School Location    
Central City  - -     - - 142
Urban Fringe - -   - - 150
Rural - -   - - 148
     
Region    
Northeast - -     - - 149
Midwest - -   - - 154
South - -     - - 143
West - -   - - 145
     
Percentile    
10th 104 102     105 101 101
25th 128 125   128 124 125
50th 152 148     152 148 149
75th 174 171   174 170 171
90th 192 190     192 189 189
   
"-" 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.