| TABLE 1. Nonresponse Bias for Students | 
		
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		| Student Characteristic | 
		Percent of respondents | 
		Percent of students | 
		Estimated    bias | 
		Relative       bias | 
	
	
		| Grade | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| 5th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 6th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 7th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 8th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 9th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 10th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 11th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 12th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| Not Graded | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		
  | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| Gender | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| Male | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| Female | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		
  | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| Race/Ethnicity | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| American Indian or Alaska Native | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| Asian | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| Black/African-American | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| Native Hawaiian or Pacific Islander | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| Hispanic | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| Two or more races | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| White | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		
  | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| Gender by Grade | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| Male | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| 5th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 6th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 7th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 8th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 9th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 10th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 11th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 12th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| Not Graded | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| Female | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| 5th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 6th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 7th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 8th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 9th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 10th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 11th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 12th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| Not Graded | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		
  | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| Gender by Race/Ethnicity | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| Male | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		|   American Indian or Alaska Native | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Asian | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Black/African-American | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Native Hawaiian or Pacific Islander | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Hispanic | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Two or more races | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   White | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| Female | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		|   American Indian or Alaska Native | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Asian | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Black/African-American | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Native Hawaiian or Pacific Islander | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Hispanic | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Two or more races | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   White | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		
  | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| Grade by Race/Ethnicity | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		| 5th Grade | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		|   American Indian or Alaska Native | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Asian | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Black/African-American | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Native Hawaiian or Pacific Islander | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Hispanic | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Two or more races | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   White | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 6th Grade | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		|   American Indian or Alaska Native | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Asian | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Black/African-American | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Native Hawaiian or Pacific Islander | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Hispanic | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Two or more races | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   White | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 7th Grade | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		|   American Indian or Alaska Native | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Asian | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Black/African-American | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Native Hawaiian or Pacific Islander | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Hispanic | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Two or more races | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   White | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 8th Grade | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		|   American Indian or Alaska Native | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Asian | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Black/African-American | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Native Hawaiian or Pacific Islander | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Hispanic | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Two or more races | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   White | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 9th Grade | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		|   American Indian or Alaska Native | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Asian | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Black/African-American | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Native Hawaiian or Pacific Islander | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Hispanic | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Two or more races | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   White | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 10th Grade | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		|   American Indian or Alaska Native | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Asian | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Black/African-American | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Native Hawaiian or Pacific Islander | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Hispanic | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Two or more races | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   White | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 11th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   American Indian or Alaska Native | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		|   Asian | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Black/African-American | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Native Hawaiian or Pacific Islander | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Hispanic | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Two or more races | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   White | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		| 12th Grade | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   American Indian or Alaska Native | 
		
  | 
		
  | 
		
  | 
		
  | 
	
	
		|   Asian | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Black/African-American | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Native Hawaiian or Pacific Islander | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Hispanic | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   Two or more races | 
		
  | 
		
  | 
		0 | 
		N/A | 
	
	
		|   White | 
		
  | 
		
  | 
		0 | 
		N/A |