March 24, 2026
LHS Chorus visits NYC for Broadway musical 'Ragtime'
On March 18, 60 students from the Lynbrook High School Chorus traveled to NYC to watch the hit Broadway musical, Ragtime.
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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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March 23, 2026
Lynbrook PTA Council hosts Parent University on Financial Literacy
The Lynbrook PTA Council, in partnership with Lynbrook Public Schools, hosted an engaging and informative Parent University workshop this past Wednesday centered on the important topic, Financial
March 20, 2026
Lynbrook High School hosts Long Island wide Virtual Enterprise Trade Show
More than 1,000 students from across Long Island made their way to Lynbrook High School on March 19 to pitch their fully realized business ideas for the annual Virtual Enterprise Trade Show.
March 18, 2026
Lynbrook Key Club attends 78th Annual Leadership Training Conference
Contributed by Sophia Kostkowicz (Key Club Board Member) On March 14 and 15, the Lynbrook Key Club had the privilege to attend the 78th Annual Leadership Training Conference in Albany, where Key
