As a preschool teacher assistant, you help lead and manage a classroom under the supervision of the teacher. Your duties include supervising the class, assisting children who need additional care or attention, directing school activities such as arts and crafts, observing students, and reporting to the teacher. You may accompany children on field trips, monitor nap or playtime, ensure that students are eating properly, and watch students during school drop-off and pick-up times. Your responsibilities may also include discussing academic or behavioral issues with parents and school staff.