April 20, 2026
LHS senior athletes sign to future colleges and universities
Lynbrook High School is proud to announce that eight seniors signed commitments to play for their future college or university.
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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
Latest News
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April 16, 2026
Lynbrook High School hosts first College and Career Fair
More than 80 guest representatives of colleges, universities, police departments, military branches and trade schools were present at Lynbrook High School’s first College and Career Fair on April 15.
April 10, 2026
Lynbrook students experience the New York Stock Exchange
For the third time, Lynbrook has earned the incredible honor of being invited to the New York Stock Exchange by Micheal Pistillo, who works as a Market Maker at GTS. Walking into such an iconic and
April 10, 2026
Wrestlers honored at Nassau All County Wrestling Awards Banquet
The Boys Nassau All County Wrestling Awards Banquet was held March 31 at the Crest Hollow County Club.
