Our Staff

Adults are just outdated children.

Dr. Seuss

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Sarah Brown

Sarah Brown is originally from Oregon, where she had the wonderful experience of attending Montessori school as a child. She had such a valuable experience that she decided to study Montessori education in college. She has a B.A. in elementary education from Oregon State University, an AMI Montessori teaching certificate for ages three to six from the Montessori Institute Northwest and a Masters in Montessori Education from Loyola College. 

Sarah has been involved in Flathead Valley Montessori Schools as a teacher, administrator, and parent since 2007. She joined us in 2020 as the KME Principal. In her spare time she enjoys time with her husband and two children in beautiful Montana. 

You can reach Sarah directly at sarah@kalispellmontessori.com.

David Cummings
Elementary II Teacher


David grew up here in the Flathead Valley and has been with KME since 2001. David participated as a foreign exchange student in Latvia through the AFS Intercultural Program and continues to volunteer for them. He received his bachelor's degree in biochemistry from MSU-Bozeman in 1997. This is where he met his wife, Dawn, and together they joined the Peace Corp in 1999 and taught ESL in Morocco. 

He began at KME as an assistant to Terry Welder in the Elementary II classroom. In the summer of 2002 he traveled to New York to receive 6-12 grade training at the Center for Montessori Teacher Education (now known as CME) and is certified by AMS. He has been teaching in the EII classroom ever since.

David has two daughters, both of whom have completed Montessori schooling. He loves spending time with his family, and has a true passion for bird hunting and bicycles.

David can be reached at davidc@kalispellmontessori.com.

Heather Hollis
Elementary I Teacher

Heather has been with KME since 2007. She began her teaching career as a public school teacher in southern California. She graduated with a B.A. in Liberal Studies and minored in Theater Arts. She completed her teaching credential and Masters in Education at UC Davis. Heather holds a current MT K-8 teaching certificate as well as Montessori I and II credentials. Her desire to meet and impact every student at his/her own level and her curiosity about Montessori drew her to KME. She has since provided tutoring, coached soccer, assisted in drama camps, taught EI, EII, and worked as an administrator. 

Heather lives in the Flathead Valley with her husband and two daughters. They love hiking, biking, and kayaking adventures and enjoy having Glacier National Park in their "backyard."

Heather can be reached at heather@kalispellmontessori.com.

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Harris Montanye
Elementary II Teacher

Harris joined our staff as an Elementary I Teacher in 2019. He holds a BS in Psychology from Auburn University. Harris comes to us with education and experience in and out of the Montessori realm, which compliments the classroom and our other EI teacher, Heather. He was a substitute residential counselor at Summit Preparatory Therapeutic Boarding School, leading outdoor activities and has directed the aftercare program at Woodland Montessori.  Additionally, he has taught yoga and mindfulness to children, coached hockey, and assisted therapists at Sweetgrass Psychological. 

In his spare time you will find Harris enjoying time with his wife, skiing, baking bread, or playing hockey. 

Harris can be reached at harris@kalispellmontessori.com

Sarah Kirchner
EII Classroom Assistant

Sarah was born and raised here in the Flathead Valley. After receiving an associates degree from FVCC she traveled to Honduras and spent two years working as a tutor in math and English. Upon returning to Montana, she followed her passion for teaching and learning by pursuing a degree in Elementary Education. Sarah has been assisting David in the E2 class since 2019.

When not in the classroom, you can find Sarah doing just about anything outdoors. She especially loves time in her garden or out rock climbing.  

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Heather Dolan
Spanish & Music Teacher
Aftercare Director

Heather is originally from Pennsylvania, then moved to the Flathead Valley in 1998. She has degrees in Spanish, elementary education and guidance counseling, as well as pre-k Montessori. Heather has traveled quite extensively throughout Mexico and South America working at several language schools. Since moving to Montana, she has worked as a private homeschool teacher, as well as at the Bigfork Middle School, Children's House Montessori, Stumptown Art Studio, and now KME. 

Heather has a seventeen year old daughter, and enjoys traveling, gardening, kayaking, and camping. 

Corrie Holloway
Communications Director

Corrie moved to the Flathead Valley in 1996 from Flagstaff Arizona where she attended college and studied Outdoor Education and Leadership. She spent many years working as a backpacking/hiking guide in Glacier National Park during the summers and for Ski Patrol at Whitefish Mountain Resort in the winters. In more recent years, she has also worked as the Marketing Director for Glacier Guides and Montana Raft Company.


Corrie loves traveling, painting, skiing, hiking, and spending time with her husband and two children. In her spare time she is working on opening a children's museum in the valley.


Corrie can be reached at frontdesk@kalispellmontessori.com (as well as all general inquiries).