School attendance status.
0 - Never attended. Children with no education.
1 - Entered school. Children who did not attend school the previous year but are currently enrolled.
2 - Advanced. Children at a current level that is higher than the previous year
3 - Repeating. Children who are at the same level than the previous year or at a level less than the previous year.
4 - Dropout. Children who were at school the previous year but not currently attending school.
5 - Left school 2+ years ago. Children who are not currently attending school and did not go to school the previous year.
8 - Don’t know