Meet Our Staff

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Stephanie Ortega

Administrator/Receptionist

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Adam Thewes

Director

It is my pleasure to serve as the Director and Head of School of the Montessori Academy of Upland. Having attended a Montessori school myself as a child, I entered this field to give the next generation a truly unique approach to learning and found an opportunity here in Upland where no Montessori school existed at the time. This tried and true method, that is now over 100 years old, is just as relevant today as it was back when Dr. Maria Montessori introduced it to the world. The hands on learning with manipulatives that Montessori is known for gives the child a multi-sensory learning experience. The child has the ability in the classroom to take as much, or as little time needed to learn each new skill or concept. This approach ensures that the child does not miss any foundation pieces of information before going on to the next lesson. With our well trained and experienced staff, you can expect all the best that Montessori can offer your child here at MAU. Our goal is not to impart knowledge but to teach the child how to learn for him or herself and to develop a life-long love of learning. 

Adam Thewes, Director

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Brittney Collinsworth

Elementary Teacher

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Shivika Fernando

Children's House Teacher

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Kellsie Navarrete

Children's House Teacher

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Lenette Doria

Children's House Teacher

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Kris Thewes

Toddler Teacher

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La'Trisha Jackson

Toddler Teacher

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Melissa Romero

Toddler Teacher

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Stephanie Carlo

Infant Teacher

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Yadira Ulloa

Elementary Assistant

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Fabiola Arcos

Children's Assistant

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Kristina Hays

Children's House Assistant

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Rachel Barnes

Children's House Assistant

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Mariela Jaimes Noriega

Children's House Assistant

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Amanda McAllister

Children's House Assistant

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Vanessa Martinez

Toddler Assistant

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Heather Williams

Toddler Assistant

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Amanda Wood

Toddler Assistant

Melissa Bonner

Infant Assistant

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Miranda Ibarra

Infant Assistant

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Ruth Lopez

Infant Assistant

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Anita Rafael

Infant Assistant

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Cecilia Reyes

Infant Assistant

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