That's how it works in Finland in lukio (upper secondary school between 9th grade and university), we picked the courses ourselves and left/entered campus on wi

That's how it works in Finland in lukio (upper secondary school between 9th grade and university), we picked the courses ourselves and left/entered campus on will. Looks like the course-based system was introduced in 1982. And personally I did prefer course instances that were later on the day over those that were earlier. We still had mandatory lesson attendance, though, unlike most university courses.