Welcome To South Middle School
Thank you for visiting the Lynbrook South Middle School Home Page. Please use the links in the navigation to find important information related to students, staff and parents.
This site will be updated regularly so please check back often.
333 Union Avenue
Lynbrook, NY, 11563
Main Office Telephone: 516-887-0266
School Nurse Telephone: 516-887-0273
Principal: Mrs. Kaitlin GaNun
Nurse: Ms. Holly Wilson (Email)
Secretary: Ms. Julia Giordano
Secretary: Ms. Malgorzata Los
School Year Office Hours: 8:00 AM - 4:00 PM, Monday through Friday
Summer Office Hours: 8:00 AM - 2:00 PM, Monday through Friday
All visitors must have an appointment to meet with staff in any school building. Please DO call ahead. Thank you!
Important Contact Information:
NYS Child Abuse Hotline: 1-800-342-3720
NYS lÃnea de abuso infantile: 1-800-342-3720
Medicaid Fraud Hotline: 516-612-5200
Stay up to date on exciting news, events and more with the ParentSquare app!
February 27, 2026
The Lynbrook School District’s board of education meeting on Feb. 11 was a celebration of students, staff and retirees, as well as an innovative showcase of its enrichment program, Flight School.
February 27, 2026
The Lynbrook School District’s board of education meeting on Feb. 11 was a celebration of students, staff and retirees, as well as an innovative showcase of its enrichment program, Flight School.
January 27, 2026
Middle schoolers preparing for their transition to Lynbrook High School got their first experience of what the next phase of their educational career will look like on Jan. 20.
January 27, 2026
The Lynbrook School District is thrilled to announce that Guidance Chairperson Susan Moller has been named a New York State Master Counselor after a rigorous application process.
