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Seneca Middle School

850 Main Street
Holbrook, NY 11741
Principal: Gemma M. Salvia
Assistant Principal: Denise Dolan
Assistant Principal: Georgia Afxendiou
Phone: (631) 471-1850


Be Kind. Be Honest. Be Humble. Be your Best. 

Grade 8 to 9 Programming Letter

PTA Fundraiser

sotm February

Students of the Month for February

Grade 6 –Grace S..

Grade 7 -Keira S.

Grade 8 – Brayden T.


Students Who Make a Difference



Seneca Student Handbook

Daily Health Form for Seneca Students

Direct Link         QR code 

Daily Classroom Lunch Order Form

Monday   Tuesday   Wednesday   Thursday   Friday

Principal's Welcome Letter - September 2020

Important Phone Numbers and Information

Seneca's Frequently Asked Questions (FAQ)

Information from District Office 

Seneca's Newspaper is here!

NJHS Extra Curricula Activity Form


Seneca Middle School is participating in Stop 'n' Shop A+ Rewards to fundraise for our Cultural Arts Programs and In School Activities. Click here to see a flyer with details on signing up



Just a reminder, students will not be released to anyone if the person is not listed on the emergency card.
If changes need to be made on the card, please send in a revised one in to the main office. Thank you!



Mission Statement

The Seneca Middle School community will foster the intellectual, emotional, and physical growth of every child
by developing a positive self-image, a strong desire for learning, and a sense of respect for self and others.
We will accomplish this by providing a challenging curriculum in a safe and supportive atmosphere,
as our children mature into productive citizens.




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