Center Moriches High School Home
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 - Miranda Geraci, School Nurse
mgeraci@cmschools.org

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Current News
October 31, 2026
CMHS Seniors Take Next Steps Toward College and Career Readiness
Center Moriches High School seniors took an exciting step toward their post-secondary futures this past Wednesday during a campus tour of Stony Brook University. The visit offered students an immer...
October 30, 2026
Center Moriches School District Celebrates Hispanic Heritage Month
Students throughout the Center Moriches Union Free School District spent the recently concluded Hispanic Heritage Month celebrating the languages, music, art, literature, and family traditions of H...
