1. This document provides guidance for teachers on leading a student project to harvest rainwater on their school campus. It discusses the benefits of rainwater harvesting such as conserving water, preventing pollution, and recharging groundwater. 2. Examples are given of demonstration school projects in Lagunitas and Terra Linda, California that installed rainwater harvesting systems. Students are instructed to map the existing drainage on their campus and calculate existing rainwater runoff. 3. The document outlines steps for students to design a rainwater harvesting system for their school, which could include a rain garden and rain barrels to capture water from the classroom. Students are guided on planning, fundraising, building, and sharing the project with the community