They were called guilds.
The middle ages
The barbarian tribes invaded Italy and took Rome. This happened in 410 AD and that set the stage for the start of the middle ages.
Drinking out of a cup set in front of the person next to you was considered normal in the Middle Ages.
the manor system
A page usually started at 7 and became a squire at 14, but these ages were not set in stone.
Schools were set up in the halls of churches.
The period from the late 5th century to 1500 is called the Middle Ages. It is subdivided into the Early Middle Ages (from the late 5th century to the 10th century) High Middle Ages (c. 1000-1300) and Late Middle Ages (1300-1500).
The collective noun is a set of Golf clubs.
He was a Viking explorer, and was the first European to set foot in North America.
Middle school and High school ages depend entirely on individual school and when they set their Middle School. They vary from anywhere in years 6-9 (ages 10 - 15) for Middle school to Years 9-12 for High school (ages 14 - 18). Many schools do not have a Middle school, but separate into Primary and Secondary.
The collective noun is a set of golf clubs.
Organized schools were not set up in the middle ages. The middle ages was a time of no learning or study. About 90% of the people couldn't read or write and those who did were nobles who had been taught by monks.