Building classrooms in Tanzania

In a couple of weeks my peers and I are going on an incredible trip to Tanzania, Africa. Our goal whilst there is to increase classroom capacity as much as possible, as the school is very overcrowded. The local population of the school is increasing rapidly as more housing is built every year. Whilst we are there we will build a total of 5 classrooms which will reduce pressure on the current classrooms and provide a better learning environment for the pupils. To raise awareness and money off this I will be doing a 6K run because in a lot of places in Tanzania women and children have to walk an average of 6K everyday just to reach water for their family which is roughly 15 laps around a football field. Any donations are appreciated and I can't wait to help the community whilst I'm there.