SCHOOL ID
STUDENT ID
STUDENT SEX
STUDENT RACE
TIME ON MATH HOMEWORK
SCHOOL TYPE
SOCIOECONOMIC STATUS
PARENTAL EDUCATION
MATH SCORE
CLASS STRUCTURE
SCHOOL SIZE
URBANICITY
GEOGRAPHIC REGION
PERCENT MINORITY
STUDENT-TEACHER RATIO
PUBLIC SCHOOL BINARY
WHITE RACE BINARY
HOMEW*PUBLIC
HOMEW*RATIO
SCHOOL MEAN SES
HOMEW*MEANSES