Paraprofessionals may instruct students individually or in group settings, under teachers' direction and guidance. They are often assigned special projects or special areas of instruction, such as computer and learning labs, or working with special needs students. They may provide physical assistance to disabled students, and may be required to assist students with the use of specific equipment related to the students’ disabilities. Other duties might include: conducting group drills, homework checks, preparation of lesson materials and bulletin boards, observing and reporting of behavior and progress, tracking and dispensing authorized student medications, facilitating use of educational technology, supervising the playground or lunchroom, and crossing guard/flagging.