Student ID
-7 = Item legitimate skip/NA
-8 = Unit non-response
-9 = Missing

P2 D10C Parent 2's major for highest level of education STEM code
-9 = Missing
-8 = Unit non-response
-7 = Item legitimate skip/NA
-6 = Component not applicable
-4 = Item not administered: abbreviated interview
-1 = Don't know
0 = No
1 = Yes

P2 D07D Parent 1's current/most recent occupation: STEM code 1 (sub-domain)
-9 = Missing
-8 = Unit non-response
-7 = Item legitimate skip/NA
-6 = Component not applicable
0 = Not a STEM occupation
1 = Life and Physical Science, Engineering, Mathematics, and Information Technology Occupations
2 = Social Science Occupations
3 = Architecture Occupations
4 = Health Occupations
5 = Split across 2 sub-domains
6 = Unspecified sub-domain
9 = Uncodeable

P2 D20 Home is owned, rented or other arrangement
-9 = Missing
-8 = Unit non-response
-7 = Item legitimate skip/NA
-6 = Component not applicable
-4 = Item not administered: abbreviated interview
1 = Pay mortgage towards or own your home
2 = Rent your home
3 = Some other arrangement

M1 A04 Math teacher's highest degree earned
-9 = Missing
-8 = Unit non-response
-7 = Item legitimate skip/NA
3 = Bachelor's degree
4 = Master's degree
5 = Educational Specialist diploma
6 = Ph.D./M.D./law degree/other prof degree

M1 A14B Math teacher took college-level applied mathematics course(s)
-9 = Missing
-8 = Unit non-response
-7 = Item legitimate skip/NA
0 = No
1 = Yes

S2 E01A Teenager sees himself/herself as a math person
-9 = Missing
-8 = Unit non-response
-7 = Item legitimate skip/NA
-6 = Component not applicable
1 = Strongly agree
2 = Agree
3 = Disagree
4 = Strongly disagree

X1 Mathematics standardized score (time 1 math score)
-9 = Missing
-8 = Unit non-response
-7 = Item legitimate skip/NA
-6 = Component not applicable

-9 = Missing
-8 = Unit non-response
-7 = Item legitimate skip/NA
-6 = Component not applicable
-4 = Item not administered: abbreviated interview