Advanced Math Taken in Eighth Grade
0 = No
1 = Yes
8 = Missing

Urbanicity
1 = Urban
2 = Suburban
3 = Rural

Geographic Region of School
1 = Northeast
2 = North Central
3 = South
4 = West

0 = Male
1 = Female

Parents' Marital Status in Eighth Grade
1 = Divorced
2 = Widowed
3 = Separated
4 = Never Married
5 = Marriage-Like Relationship
6 = Married

Home Language Background
1 = Non-English Only
2 = Non-English Dominant
3 = English Dominant
4 = English Only

School Type in Eighth Grade
1 = Public
2 = Private, Religious
3 = Private, Non-Religious

My Teachers are Interested in Students
1 = Strongly Agree
2 = Agree
3 = Disagree
4 = Strongly Disagree

Number Times Late for School in Twelfth Grade
0 = Never
1 = 1-2 Times
2 = 3-6 Times
3 = 7-9 Times
4 = 10-15 Times
5 = Over 15 Times

Advanced Placement Program Taken?
0 = No
1 = Yes

Time Spent on Homework Weekly in School Per Week in Twelfth Grade
0 = None
1 = Less than 1 Hour
2 = 1-3 Hours
3 = 4-6 Hours
4 = 7-9 Hours
5 = 10-12 Hours
6 = 13-15 Hours
7 = 16-20 Hours
8 = Over 20 Hours

Time Spent Weekly on Extra-Curricular Activities in Twelfth Grade
0 = None
1 = Less than 1 Hour
2 = 1 - 4 Hours
3 = 5 - 9 Hours
4 = 10 - 14 Hours
5 = 15 - 19 Hours
6 = 20 - 24 Hours
7 = 25 or More Hours

Type of High School Program
1 = Rigorous Academic
2 = Academic
3 = Some Vocational
4 = Other

Highest level of education expected
1 = Less than College Degree
2 = Bachelor's Degree
3 = Master's Degree
4 = Ph.D., MD, JD, etc.

Smoked Cigarettes Ever?
0 = Never
1 = Yes

0 = Not Selected
1 = Selected