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

pdf

Current News

February 11, 2026

School Spirit Takes Center Court for Harlem Wizards Basketball Game

Center Moriches School District came alive with excitement as students, families, educators, and community members gathered for a high-energy Harlem Wizards basketball game on Friday, February 6.Th...

February 5, 2026

High School Theater Presents "The Sound of Music"

February 3, 2026

Three Staff Members Nominated for SCOPE Award

Center Moriches School District is proud to announce that three outstanding staff members have been nominated for SCOPE Awards. The annual SCOPE Awards honor school district employees from across L...

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,...