The educational system in Sweden is based on a nine-year primary school, or "Grundskola" with mandatory attendance.

He made attendance mandatory at least once a month.

Mr. Calvin suggested penalties like fines and mandatory attendance at smoking-cessation classes.

Church services, attendance mandatory, were held 11 times a week, and more often around holidays.

She said she would make a final decision on the team based on the sprinters' performances here and their mandatory attendance at relay camp.

That was an exaggeration; still, the British did establish good schools and made attendance mandatory.

Ten years later the Elementary Education Act 1880 made attendance mandatory from 5-10 years of age.

Later, mandatory attendance (dingplicht) and ratification were no longer required.

"The school operated with only three rules: no drugs, no fighting and mandatory attendance," she said.

One change that has been recommended by critics is mandatory attendance at the panel sessions.