Middle School Administrative Assistant; Leave Replacement

Position:Middle School Administrative Assistant (Leave Replacement: Nov 2026 - April 2027)

Location: New York, NY

Position Type:
Leave Replacement - Nov 2026 - April 2027, Full-Time, Non-Exempt

Union Position-Covered by Collective Bargaining Agreement

As of:
October 9, 2026

Under the auspices of the United Nations and guided by its ideals, The United Nations International School (UNIS) provides an inclusive and diverse learning environment in which rigorous international programs foster academic excellence, innovation, creativity and cross cultural communication to educate and inspire its students to become an active force in shaping a better world: peaceful, compassionate and sustainable.

The United Nations International School is seeking an Administrative Assistant to provide administrative and logistical support to the Middle School. The candidate for this position must be able to flourish in a high energy, fast-paced and diverse environment. The ideal candidate will show initiative, a willingness to learn, and a desire to work with, and support, middle school students, faculty and Administration.

This position reports to the Middle School Principal.

• Take and maintain daily attendance, early dismissal for all middle school students
• Identify and address attendance discrepancies, contacting parents, teachers, and security personnel as needed
• Manage all telephone and general email communication from parents regarding student absences and needs

• Coordinate and send communications to middle school families
• Organize and support the Principal's and Assistant Principal's correspondence, calendar, and phone calls
• Maintain and update an internal middle school calendar
• Support the Teacher Absence Management process, including meeting substitutes, payroll, providing computers, and showing them to classrooms,
• Facilitate communication between students, faculty, and all relevant school departments (e.g., After‑school Activities, Athletics, Tech Support, Food Service, Maintenance, Transportation)
• Liaise with Maintenance, Food Service and IT Departments for all Middle School needs
• Support and organize and schedule curriculum meetings and GLCs meetings.
• Supporting the organization of Middle School overnight Camps - including admin support for the MS Camp Coordinator (communication with departments across the school; ordering buses and supporting all logistics related to overnight Camps).

• Order, maintain, and distribute all middle school supplies
• Organize parent‑teacher conferences
• Support in the organization of MAP testing
• Coordinate Middle School room bookings
• Manage and maintain smooth operation of copiers for student and teacher use and ensures all photocopying equipment is fully operational, supplies are stocked,
• Coordinate field trips and special events for the middle school
• Organize and support all special events including, assemblies, faculty meetings, photo day, orientation

• Manage and update class lists (including withdrawals and new admissions)
• Maintain lists of all middle school teachers and their assignments
• Process and log middle school budget-related information
• Maintain digital platforms providing information for parents, students, and faculty
• Create weekly newsletters using Veracross
• Liaise with the Technology and Business Departments on the distribution and payment of Yondr pouches for MS students. Reissue lost, broken or the Yondr Pouch if needed, inform the parent and update the billing

Perform all other related duties as assigned.

• Strong organizational, administrative, time‑management, analytical, and…