________ is one of the teacher's most time-consuming nonteaching tasks.
◦ Keeping paperwork including detailed records of students' academic progress, attendance, and other required documentation
◦ Taking or selling tickets and other products at school concession stands for school-sponsored events (e.g., sports and plays)
◦ Supervising students on the playground, at extracurricular events, and inside school hallways and other nonclassroom areas
◦ Attending faculty meetings, parent conferences, open houses, and other required school functions