Backpacks are made of different materials and come in many shapes and colors.
Classrooms used to be smaller. Students had to sit on long benches and share a space on a long table.
Teachers were in charge of education. Students only learned what teachers taught them.
In many countries, only boys could attend school.
Backpacks were made of leather.
Boys and girls can attend school.
Students participate in their own learning process. Teachers guide students in this process.
Classrooms are bigger. Students share a larger table where they can work in groups.
