Janitors are typically not considered to be school personnel in the same way that teachers, administrators, and counselors are.

The primary role of a school principal is to supervise teachers and other staff, ensuring that they are meeting the needs of students and following school policies.

School counselors provide academic support, social and emotional support, and help students with career planning.

Special education teachers provide instruction to students with disabilities, develop individualized education programs (IEPs) for students with disabilities, and work with parents and other professionals to ensure that students with disabilities are receiving the services they need.

School psychologists provide psychological services to students, conduct psychological assessments of students, and provide counseling to students.

School social workers provide social services to students, work with students and families to address social problems, and help students develop coping skills.

School nurses provide health care services to students, conduct health screenings, and provide first aid.

School bus drivers transport students to and from school, ensure the safety of students while they are on the bus, and follow all traffic laws.

School custodians clean and maintain the school building, ensure the safety of the school building, and perform minor repairs.

School secretaries answer phones and emails, schedule appointments, and maintain student records.

School librarians manage the school library, help students find books and other resources, and teach students how to use the library.

School food service workers prepare and serve food to students, ensure the safety of the food that is served, and follow all health and safety regulations.

School crossing guards help students cross the street safely, ensure the safety of students while they are crossing the street, and follow all traffic laws.

School security guards protect students and staff from harm, enforce school rules and regulations, and investigate crimes and other incidents.

School technology coordinators manage the school's technology infrastructure, provide technical support to teachers and staff, and train teachers and staff on how to use technology in the classroom.