Meet our Faculty!
(available photos and bios are below this list)

Beginners: Miss Erika, Miss Maria

Children’s House A: Miss Angie and Miss Tracey

Children’s House B: Miss Shah and Miss Thashika

Children’s House C: Miss Pooran and Miss Irina

Advanced Primary (AP): Miss Linda

Lower Elementary: Miss Madhurima

Upper Elementary: Miss Iumi

Administration: Miss Debbie and Mr. Rick

Debbie Evans Warkentien – Head of School

Her love for children and passion for the Montessori method of education inspired her to start the Rancho Viejo Montessori School in 1996. Miss Debbie received her Montessori Certification in early childhood from UCI and her elementary training through North American Montessori Training Center. She has raised two sons in the Montessori education and lifestyle. Miss Debbie believes it is her Mission to serve children and their families through Montessori. It is her delight to watch her students succeed throughout their academic career and now into adulthood.

Debbie Evans Warkentien

Rick Warkentien

Mr. Rick joined his wife Debbie at the Rancho Viejo Montessori School in 2000. They have two wonderful sons, Hunter 27, and Cole 25. In addition to his administrative duties, Mr. Rick enjoys sports and spending time with the elementary and middle school students. “What I enjoy most is working with the children and seeing their smiling faces as they enter the door each morning.”


Iumi Urrego – Teacher, Lower Elementary

Miss Iumi’s children led her to discover Montessori. She never imagined that choosing a Montessori Education for her own children would lead her to fulfill her personal desire to work with children. “What I love most about Montessori is that it serves the needs of every child.” Miss Iumi holds a Bachelor of Arts in English Literature from Cal State LA and received her AMS Montessori Elementary Teaching Credential in 2005. Miss Iumi has been a part of Rancho Viejo Montessori School for over 14 years and looks forward to continuing her journey for a long time.

Iumi Urrego

Linda Van Kampen – Teacher, Pre Elementary AP

Miss Linda received her BA from BIOLA University’s School of Education and holds a California Teaching Credential.  After teaching in public and private traditional classrooms, Miss Linda discovered the Montessori Method of teaching in the mid 1990’s.  In 2000, Miss Linda earned her Montessori Certification from the National Center for Montessori Education here in Orange County and has enjoyed a rewarding career at Broderick Montessori and now Rancho Viejo Montessori for the past 23 years.  Miss Linda has found that “The wonderful foundation children build upon from this environment and it’s materials is by far the best education available”...

Linda Van Kampen

Shah Adhami – Teacher, Children’s House

Miss Shah grew up in France and graduated from the University of Paris with a Bachelor Degree in Child Development and International Relations. She began teaching in a Montessori school in Paris in 1980. Miss Shah moved to the United States in 1990 and continued teaching in Montessori, always enriching her classrooms with lessons in French. Miss Shah appreciates the order and structure of Montessori. She has been with our school for 12 years and loves working in such a peaceful and productive environment.

Shah Adhami

Thashika Perera – Assistant Teacher, Children’s House

Miss Thashika was born and raised in Sri Lanka and attended a Montessori School as a child. She has lived in California since 1993, receiving her Early Childhood Education at Los Angeles Mission College. Miss Thashika has nearly 30 years of experience in Montessori education as lead teacher and assistant teacher at many levels. She has been with Rancho Viejo for 12 years. She attributes her passion for Montessori to the wonderful teachers she had growing up. Both her children attended Rancho Viejo Montessori School.

Thashika Perera

Ericka Kiss – Teacher, Beginner’s Class

As a child, Miss Erika attended a Montessori School in San Juan Capistrano. Experiencing Montessori education first hand gave her the desire to help young children reach their full potential. Miss Erika received her Bachelor of Science in Child Development from Cal State Fullerton in 2000 and her Montessori Infant Toddler Certificate from UCI in 2004. She has been a kind and loving teacher in our Beginner’s Class for over 16 years.

Erika Kiss
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