Hello! My name is (your name) and I am your students (subject/grade) teacher. We are raising money for (thing you are raising money for) to (why you need this item). This will have an incredible impact for our stuents this year and with your support we can quickly reach the goal of $100.00.
Hi Again! We are so excited to be able to support (# fo students) with (item) this year. This will allows us to (benefits of the item or thing you are raising money for). We would like to be able to complete this project by (date).
Or
Hi Again! This is the time of year when all of our supplies are running low and we need to purchase more to be ready for the new year. We have a goal of (Goal Amount) to buy (list of Items.)