Помогите подставить нужные слова пожалуйста. if all children must go to

Помогите подставить нужные слова пожалуйста.
if all children must go to school to get secondary ... , it means that secondary education is ... in Russia, Britain, Australia and is most developed countries secondary education is compulsory. A ... is a person getting education either at ... or University. process of getting knowledje we call... . It can be secondary or higher , paid or ... . A task to write some sentence many times is ... , it used as a king of punishment. ... is king of punishment , when a student is not allowed to come to school fpr a few days or weeks. A school subject, when a students must count, ... problems and do difficult tasks is ... .