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December 22, 2025
Champs crowned at Southside Wrestling Tournament
Congratulations to the Lynbrook wrestling team on taking third place at the Southside Wrestling Tournament on Dec. 20!
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Welcome To Lynbrook High School
Welcome to Lynbrook High School, where student success is our daily focus and striving for excellence our overarching goal. Our blend of strong academics, a passion for the fine and performing arts, and participation in athletics, service activities and independent projects constitute the very heart of all we do. Spend some time visiting our website; then find some time to visit us and see for yourself what makes our home away from home, Lynbrook High School, so special. GO OWLS!!
9 Union Avenue
Lynbrook, NY, 11563
Main Office Telephone: 516-887-0200
Guidance Office Telephone: 516-887-0215
Athletic Office Telephone: 516-887-0236
School Nurse Office Telephone: 516-887-0228
Attendance Telephone: 516-887-0209
Principal: Mr. Matthew Sarosy - 516-887-0204
Assistant Principal: Mr. Salvatore Brescia - 516-887-0200
Assistant Principal: Dr. Sheila Dempsey - 516-887-0200
Nurse: Ms. Diane O'Brien - 516-887-0228
Nurse: Ms. Cathy Hetrick - 516-612-5416
Nurse Fax: 516-612-5423
Student Attendance: Ms. Elizabeth Russo – 516-887-0209
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 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
Lynbrook Senior High School
Welcome to Lynbrook High School, where student success is our daily focus and striving for excellence our overarching goal. Our blend of strong academics, a passion for the fine and performing arts, and participation in athletics, service activities and independent projects constitute the very heart of all we do. Spend some time visiting our website; then find some time to visit us and see for yourself what makes our home away from home, Lynbrook High School, so special. GO OWLS!!
Latest News
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December 18, 2025
Lynbrook board honors conference champs and charitable endeavors
The Lynbrook School District Board of Education recognized standout athletes and their charitable pursuit at the Dec. 10 regular meeting at Lynbrook High School.
December 16, 2025
Lynbrook musicians make All County, LISFA and PEAK Festivals
On Wednesday, Dec. 10, the Lynbrook Board of Education proudly recognized 18 student musicians who participated in the Nov.22 PEAK Festival.
December 12, 2025
Attn All Juniors and Junior Parents - Junior Semi-Formal
Dear LHS Juniors and Families,The Junior class will be hosting a Semi-Formal event on January 30th. Please see the attached flyer for all the pertinent information regarding this exciting announcem...
Upcoming Events
View the full calendar to see all the exciting events we have happening in the next few weeks and months!