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Keystone Montessori Charter
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About Keystone
A Letter from our Head of School
About Montessori
Vision & Mission
About Us
Our Team
Observation & Tour Policy
Child Find/Notice of Non Discrimination
Parent Testimonials
Schedule a Visit with Keystone
Programs
An Overview from our Associate Head of School
Toddlers (15mo. - 3 years old)
Children's House (3 - 6 years old)
Elementary (Lower - 1st - 3rd grade & Upper - 4th - 6th Grade)
Adolescent Program
Portrait of a Graduate
Arrival & Dismissal Information
Schedule a Visit with Keystone
Admissions
A Welcome from our Admissions Director
Keystone's Bilingual Private Programs
Charter Programming
Enrollment Process
FAQ's
The Montessori Difference
Tuition Information
Schedule a Visit with Keystone
Keystone Community
Classroom Updates
2025/26 and 2026/27 Yearly Calendars
Integrate the Keystone Event Calendar
Keystone Spirit Wear Orders
FACTS Payment Portal Login
Student Enrollment Portal
Online Pizza Orders
Printable Pizza Order Form
After School Activities
Volunteer at Keystone
Parent/Student Handbook
School Board
Family Resources
Important Forms and Links
Giving
A Greeting from our Development Director
Why We Give
Sustaining Fund
Tax Credit
Fall Festival
Community Rewards
Business Sponsors
Alumni
Stay Connected
Giving Back
2024 Alumni Reunion Photo Album
Contact Us
Map
Administration Directory
Schedule a Visit with Keystone
Contact Us Form
About Keystone
A Letter from our Head of School
About Montessori
Vision & Mission
About Us
Our Team
Observation & Tour Policy
Child Find/Notice of Non Discrimination
Parent Testimonials
Schedule a Visit with Keystone
About Keystone
Programs
An Overview from our Associate Head of School
Toddlers (15mo. - 3 years old)
Children's House (3 - 6 years old)
Elementary (Lower - 1st - 3rd grade & Upper - 4th - 6th Grade)
Adolescent Program
Portrait of a Graduate
Arrival & Dismissal Information
Schedule a Visit with Keystone
Programs
Admissions
A Welcome from our Admissions Director
Keystone's Bilingual Private Programs
Charter Programming
Enrollment Process
FAQ's
The Montessori Difference
Tuition Information
Schedule a Visit with Keystone
Admissions
Keystone Community
Classroom Updates
2025/26 and 2026/27 Yearly Calendars
Integrate the Keystone Event Calendar
Keystone Spirit Wear Orders
FACTS Payment Portal Login
Student Enrollment Portal
Online Pizza Orders
Printable Pizza Order Form
After School Activities
Volunteer at Keystone
Parent/Student Handbook
School Board
Family Resources
Important Forms and Links
Keystone Community
Giving
A Greeting from our Development Director
Why We Give
Sustaining Fund
Tax Credit
Fall Festival
Community Rewards
Business Sponsors
Giving
Alumni
Stay Connected
Giving Back
2024 Alumni Reunion Photo Album
Alumni
Keystone Alumni at the 2024 Reunion
Contact Us
Map
Administration Directory
Schedule a Visit with Keystone
Contact Us Form
Contact Us
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Staff
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Amie Allor
Elementary Guide - Red-tailed Hawks
Daisy Amaro
Special Education Administrative Assistant
Anny Aziz
Children's House Bilingual Assistant - Palos Verdes
Nicky Baldwin
Toddler Assistant - Agaves
Heather Bonacorda
Admissions and Marketing Director
480.582.9610
Briceida Buena Fernandez
Toddler Bilingual Assistant - Agaves
Dipanwita Chakrabarti
Elementary Assistant - Scorpions
Janelle Chamberlain
Elementary Assistant - Iguanas
Michael Cho
Facilities Manager
Léon Dantus
Adolescent Guide - AZ Eagles
Gerry DeLa Torre
Music Specialist
Samantha Evans Dimas
Elementary Guide - Gila Monsters
Danielle Ghorayeb
Children's House Support Staff & Movement Specialist
Gina Giorsetto
Administrative Assistant
480.460.7312
Jacque Hale
Reading Specialist & Assessment Coordinator
Mina Hernandez
Toddler Guide - Agaves
Laura Hertzler
Head of School
480.460.7312
Sydney Jennings
Elementary Assistant - Coyotes
Promise Jensen
Elementary Assistant - Gila Monsters
Bahareh Kompani
Elementary Assistant - Great Horned Owls
Stefan Linder
Associate Head of School
480.460.7312
Daniela Lopez Hernandez
Children's House Assistant - Prickly Pears
Cynthia Madrid
Children's House Assistant - Hummingbirds
Ana Mengual Gil
Elementary Guide - Coyotes
Deisy Mora Gutierrez
Children's House Bilingual Assistant - Prickly Pears
Kristin Morgan
Business Manager
480.460.7312
Beth Mulcahy
Elementary Assistant - Red-tailed Hawks
Belen Oaxaca
Class Keys Leader
Sara Oaxaca
Elementary Guide - Diamondbacks
Alejandra Padilla
Spanish Specialist
Katty Padilla
Elementary Guide - Iguanas
Liza Prince
Special Education Director
480.460.7312
Stephanie Punko
Elementary Guide - Scorpions
Kelsey Quenneville
Children's House Assistant - Saguaros
Janet Rhew
Board Member
Valeria Rodriguez Trevizo
Adolescent Assistant - AZ Eagles
Keny Rosales
Children's House Assistant - Palos Verdes
Carol Schermerhorn
Elementary Assistant - Diamondbacks
Sue Smith
Office Manager
480.460.7312
Melissa Sutton
Development Director
480.460.7312
Imelda Urbiztondo
Children's House Guide - Palos Verdes
Abby van Vianen
Adolescent Guide - AZ Eagles
Andrew Van Vianen
Adolescent Guide - AZ Eagles
Blanca Villalobos
Children's House Guide - Prickly Pears
Hellen Wen
Elementary Guide - Great Horned Owls
Makayla White
Elementary Support Staff & Elementary Extended Care Coordinator
Chelsei Winstead
Toddler Guide - Hummingbirds
Yoo-Kyung Yoo
Children's House Guide - Saguaros
Ana Zikic
Elementary & Adolescent Art Guide & Yoga Instructor
