Pol
0 = female
1 = male

Rasa
0 = white
1 = african-amer
2 = asian
3 = hispanic

Socioekonomska klasa
0 = high
1 = middle
2 = low

Tip škole
0 = public
1 = private

Vrsta programa škole
0 = academic
1 = vocation
2 = general