The students at the Kepler School can spend their evenings out in West Berlin as well, but are constantly dealing with the boundaries.

As rumors began that the border was to be closed, the students began to wonder how their studies and lives would progress.

How did medieval castles in Germany defend themselves? And why were they built the way they were? This video takes us through a castle like those we often see in films.

Smuggling items to relatives who had left Berlin was a difficult mission. At the same time, it often seemed difficult to completely comprehend how high the stakes would be.

In the Middle Ages, people were resourceful when it came to battles. A group of scholars has worked to recreate medieval explosives and weaponry at Coburg Fortress in Upper Franconia.

Outside of the classroom, the students who travelled to the West for school were confronted with important life decisions and their consequences.

German rally driver Sepp Wiegand takes us through the basics of maintaining and driving a car in the snowy seasons.

Tough decisions had to be made as the future became more and more uncertain. Even the annual class trip required students living in the East to travel separately.

Jenny tells us the long and fascinating history of the town of Speyer and we get a glimpse of the town's landmark, its cathedral.

On the way back from their class trip, the students already have the feeling that their lives will never be the same again.

As the first incarnation of the Berlin Wall went up, the students and their families scrambled to make quick decisions.

"Gamification" may be an English word, but it is a topic that fascinates researchers all over the world. How can certain activities become more fun or motivational through gaming principles?

After the border had officially been closed, the students were separated and often didn't know if their friends on the other side were OK. Luckily, a few letters got through.

In a collage of historical reenactment and original interviews, this film looks at the assassination attempts made on Hitler towards the end of World War II.

The restrictions placed on residents of both West and East Berlin intensifies to the point where the classmates aren't even actually allowed to have contact.