It may help to walk around your school grounds to see how the windiness varies from spot to spot. In the old days, windmills used the wind to grind corn and pump water. In the past, people used old-fashioned windmills to grind corn and pump water. Today, modern windmills use the wind to make electricity. The UK is the windiest country in Europe, so it is a good place to use the wind in this way.
Wind turbines can be very big.
Most are in places where the wind is strongest, such as Wales, Scotland and Cornwall. Look at the map to see where some of the main wind farms are. Already, UK wind farms make enough electricity for many thousands of homes. Other wind turbines are very small. They can be used in a number of ways - by houses with no other electricity, on boats and so on.