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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. 

National Junior Honor Society Induction Ceremony


Grade 6 Newsletter

Grade 7 Newsletter

Grade 8 Newsletter


December Club Dates

November Club Dates


Directions for students to access their classes in the Remote Academy

Quarter 1 Letter to Parents from Mrs. Salvia 


Students of the Month for November

Grade 6 –Jasmin B.

Grade 7 - Kiera G.

Grade 8 – Jake K.


November Calendar

Students Who Make a Difference




Order Seneca Spirit Wear

Reflections Packet 2020-2021

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

Grade 6 Orientation

2020-2021 Supply List

Re-Entry Plan – July 31, 2020

Seneca's Newspaper is here!

Student Policy Manual

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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