Center Moriches

Center Moriches High School

An International Baccalaureate World School

311 Frowein Road
Center Moriches, NY 11934
Phone: (631) 878-0092
Fax: (631) 878-1796
School Hours for Students: 7:20 am – 2:25 pm *Includes extra-help period

Marissa Mangogna, High School Principal
mmangogna@cmschools.org
Michael Koscinski, Interim Assistant High School Principal
mkoscinski@cmschools.org
Jeremy Thode, Director of Health, PE, Athletics & Campus Safety & Management
jthode@cmschools.org
Ninoska Slifstein, Senior Office Assistant / Spanish Speaking / ENL Coordinator
nslifstein@cmschools.org
Jessica Donato, Attendance Office
jdonato@cmschools.org
Kelly Kavanagh, Social Worker
kkavanagh@cmschools.org
Lynda Trujillo, Psychologist
ltrujillo@cmschools.org
Jessica Khordos, School Psychologist
JKhordos@cmschools.org
Miranda Geraci, School Nurse
mgeraci@cmschools.org

Exterior view of Center Moriches High School, an IB World School, with a brick facade, green landscaping, and a sidewalk.

Quick Links

Flyers and Notices

Smartphone and Device FAQ

pdf

CMHS Club Guide 2025-2026

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Current News

January 26, 2026

Two Hour Delay Bell Schedule

Good afternoon,I hope you are all staying warm today. Please see the attached Two Hour Delay Schedule for tomorrow, Tuesday, January 27th. Tomorrow will remain a "B" Day. Seniors with late arrival...

January 26, 2026

Good Afternoon Center Moriches Families, Due to the prediction for slippery and icy conditions in the morning hours, all Center Moriches Schools will operate on a two-hour delayed opening tomorrow,...

January 21, 2026

Drivers Education Spring '26 Registration Information Update

Dear Families,Center Moriches High School partners with All Suffolk Auto School to offer a Spring 2026 Driver Education program. All Suffolk Auto School provides the certified instruction, while we...