Mount Sinai School District

Mount Sinai School District Mount Sinai is a hamlet located on the North Shore of Long Island within the Town of Brookhaven in S Comment Policy:
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To serve as an ongoing resource of information delivered to residents and friends of the Mount Sinai School District in a timely manner. However, please be respectful and stay on topic. The administrator of this page reserves the right to delete profane, harassing, abusive, speculative, accusatory and spam-type comments; and to permanently ban/block/report first time/repeat offenders.

🥇 TOP 50 HONORS: Mount Sinai High School’s own, Cali Gabrielson (Jr.), is one of Newsday’s Top 50 Long Island girls cros...
09/14/2026

🥇 TOP 50 HONORS: Mount Sinai High School’s own, Cali Gabrielson (Jr.), is one of Newsday’s Top 50 Long Island girls cross country runners for 2026. She earned this achievement in part by notching a time of 19:39.3 on the Sunken Meadow 5K; which is tied for the seventh-best returning time. ‼️

MUSTANG MUSIC EXCELLENCE! 🎼🏅⭐️ 14 Mount Sinai students were accepted into NYSCAME All-County ensembles this year. They a...
09/14/2026

MUSTANG MUSIC EXCELLENCE! 🎼🏅

⭐️ 14 Mount Sinai students were accepted into NYSCAME All-County ensembles this year. They are (L. to R.) Chelsie Zhao, Saige Resnikoff, Lilliana West, Lorenzo Vargas, Autumn Blackmore, Lucas Pitello, Liana Wang, Nathanael Hart, Kate Panag, Michael Han, Anna Mankuta, Kayleigh Hegreness, Leah Caravello, and Akira Lo.

Congratulations everyone! We look forward to all of the talented music this year!

NYSCAME Music Honors! 🎶Congratulations to our Mt. Sinai Music students who made NYSCAME ALL-STATE this year. 👏⭐️ Leah Ca...
09/14/2026

NYSCAME Music Honors! 🎶

Congratulations to our Mt. Sinai Music students who made NYSCAME ALL-STATE this year. 👏

⭐️ Leah Caravello (left) was accepted to the Symphony Orchestra and Kayleigh Hegreness (right) was accepted to the Treble Choir.

09/11/2026

“Understanding different eras of our nations history.” 🇺🇸

Principal Elsesser talks about the importance of educating our students on the significance of September 11, 2001.

09/11/2026

Mt. Sinai Middle School’s, Ms. Birbiglia, speaks on the importance of teaching her 6th Grade English students about the heroes & hardships faced on September 11th, 2001. ❤️🇺🇸

09/08/2026

A beautiful arrival & day thanks to Principal Catlin and our Elementary School team! Looking forward to celebrating what our district & community are all about this year… including the NEW Playground!

09/08/2026

Happy 1st Day Mt. Sinai Elementary School! Look at all of those smiling faces, we are so happy to have you back! Another great year of learning & growing ahead. 😁

09/08/2026

Principal Elsesser is celebrating Mustang Pride! He reminds our students to stay to the right, be polite & keep it clean! Be sure to take advantage of all we have to offer for you this school year.

09/08/2026

Principal Pram has the Senior checklist ready to go on Day 1! Many opportunities for our High School students to take advantage of this year, we can’t wait to see them succeed.

Address

Mount Sinai, NY
11766

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm
Friday 8am - 4pm

Telephone

+16318702500

Website

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