
OUR TEAM
The Heart of The Cornerstone School. We invite you to meet the team of educators and staff who bring the Cornerstone mission to life every day, guiding, supporting, and inspiring our students from toddlerhood through adolescence. As a proud member of the American Montessori Society (AMS), Cornerstone is staffed by dedicated professionals, many of whom hold one or more levels of Montessori certification.
Each classroom at Cornerstone is guided by two Montessori-trained teachers, giving children the benefit of close attention and a variety of teaching styles. What truly sets our faculty apart, though, is not just their training—it’s their genuine love of helping students grow. They nurture curiosity, encourage independence, and create a supportive atmosphere where every child feels seen and inspired to do their best.
At Cornerstone, our educators are more than teachers—they are mentors, role models, and champions of each child’s journey. Their expertise, compassion, and commitment form the true heart of our school community.
MEET THE TEAM
LEADERSHIP & OPERATIONS TEAM
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Pete Zetlan
HEAD OF SCHOOL
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Laurie Durkin
ADMINISTRATIVE ASSISTANT
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Rob Keys
ADMISSIONS DIRECTOR
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Susan Duffy
FINANCIAL COORDINATOR
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John Signorello
DIRECTOR OF FACILITIES & MAINTENANCE
TODDLER HOUSE GUIDES
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Kim Rettstatt
TODDLER PROGRAM GUIDE
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Rebecca Rood
TODDLER PROGRAM GUIDE
PRIMARY GUIDES
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Julia Coleman
PRIMARY ONE GUIDE
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Joelle Moropito-Huot
PRIMARY ONE GUIDE
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Emma Shea
PRIMARY TWO GUIDE
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Lydia Baghdoyan
PRIMARY TWO GUIDE
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Holley Daschbach
PRIMARY THREE GUIDE
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Emily Brown
PRIMARY THREE GUIDE
LOWER ELEMENTARY GUIDES
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Lindsey Dionne
LOWER ELEMENTARY ONE GUIDE
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Erin Holzman
LOWER ELEMENTARY ONE GUIDE
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Sarah Chase
LOWER ELEMENTARY TWO GUIDE
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Erin Dascoli
LOWER ELEMENTARY TWO GUIDE
UPPER ELEMENTARY GUIDES
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Don Barber
UPPER ELEMENTARY ONE GUIDE
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Wayne Anderson
UPPER ELEMENTARY ONE GUIDE
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Sandi Keys
UPPER ELEMENTARY TWO GUIDE
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Holly Furlone
UPPER ELEMENTARY TWO GUIDE
JUNIOR CLASS GUIDES
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Christine Rockwood
HUMANITIES & ENGLISH LANGUAGE ARTS
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Dr. Abigail Andreoli
ALGEBRA & SCIENCE
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Joe Karr
FARM & MICROECONOMIES
CREATIVE & LANGUAGE STUDIES
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Abby Pollock
MUSIC
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Jenny Bernitz
ART
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Gabriela Rodriguez
SPANISH
STUDENT SUCCESS TEAM
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Anne Seekins
LEARNING SPECIALIST
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Pattyann Zotz
LEARNING SPECIALIST
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kidSHINE
OCCUPATIONAL THERAPY
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Miracle Fam
SPEECH THERAPY
CHILDREN’S HOUSE GUIDES
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Emily Dutton
CHILDREN’S HOUSE
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Matt Rosenberg
CHILDREN’S HOUSE
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Michaela Doyle
CHILDREN’S HOUSE
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Alexia Seeley
CHILDREN’S HOUSE