Definition
1. No /never in school is for those who are never or have never registered in any school, including those who graduated / not graduated from kindergarten, but did not go to primary school.
2. Attending school is for those who are listed and actively pursue an education in formal education in elementary, middle or high education level, include other equal education.
4. No longer in school is for those who had ever been registered or actively pursuing formal education in elementary, middle or high education level, but when the time of enumeration they are no longer listed and no longer active. Especially for those who are following the A1-A100 Packet considered not in school anymore. Not included as a formal school courses, SESKOAD, SPAMA / TRAINING PIM III, SPAMEN / TRAINING PIM II, SPATI, and so on.