Question

a school water tap is leaking what step you can do to stop wastage of water

Answer 1

you could  inform the school athorites about it you could repair the tap like tie a water proof cloth aroun it so wastage of water will be less
i will spread awareness how water is inportant in our life and it must be not wasted
i will make the people who wasate water to understand the utility of water 
i my slef will try to reduce water wastage

Answer 2

best way is to stop the flow of water and call the plumber .
meanwhile you can fill the buckets of water and use it in various purposes like : watering the plants .