1987
Founder Linda Cole-Weaver opens Montessori Children’s House in Bellevue with six students, ages 3-6.

1989
MCH moves to Redmond, WA in search of a more rural, home-like atmosphere. The school operates in the lower level of Linda Cole-Weaver's home.

1993
MCH moves to its current location on a 1.5 acre turn-of-the-century farmstead. The school opens with one Early Childhood classroom of three to six year olds, offering before and after school care to meet the needs of working families.
MCH opens a second classroom serving infants and toddlers.

1995
MCH opens a third classroom, for three to six year olds.

1997
The Toddler Program closes and its space is converted into a dedicated before and after care space.

1998
MCH starts the school year with two Early Childhood classrooms.
MCH breaks ground on a second building designed to house two new Early Childhood classrooms, offices and a large Multi-Purpose Room destined to become the elementary classroom in future years.

1999
Building B opens first and second Early Childhood classrooms.

2003
Jennifer McConnell starts at MCH as an Administrative Assistant

2004MCH inaugurates its Elementary Program, with a first third grade class of three students. Simultaneously, the current Infant/Toddler Program launches. The first infant/toddler classroom was opened at La Casa, now known as Lily Pad which was Linda Cole-Weaver's home. The second classroom was opened in January of 2005.

2006
MCH opens a fifth Early Childhood classroom which sparks a redesign of the Elementary classroom and the administrative offices are moved.

2007
MCH purchases the property next to the main campus adding 3.5 acres to the existing 1.5 acre campus. This expansion introduces a wide variety of gardening spaces, wetlands, forest and farm structures.

2008
MCH opens a third Toddler classroom on the new property, opening a new classroom called La Escuela.
Founder Linda Cole-Weaver retires from day-to-day operations and hands leadership to her daughter, Jennifer McConnell.

2010
MCH extends its Elementary Program by opening a fourth through sixth grade classroom.

2013
MCH breaks ground on new 7,000 square foot facility at La Escuela to house expanding Elementary classrooms, an expanding Infant/Toddler Program and additional faculty/office space. 

2014
Construction on the new building ends and MCH Elementary and Infant/Toddler classes move in.

2015
The elementary playground, featuring natural materials such as a recycled water pipe and repurposed wood, open for use. 
MCH wins a coveted gardening grant from The Whole Kids Foundation created by Whole Foods. 

2016
Head of School, Jennifer McConnell, is the keynote speaker at the International Chinese Montessori Foundation Convention in China. 

2017
MCH is named BEST PRESCHOOL by 425 Magazine. ​
Jennifer McConnell is named a finalist in the 2017 King County Executive's Small Business Awards, Best Woman-Owned Business.
The MCH Pollinator Garden opens directly outside the Elementary building. Funded in partnership with the MCHPA and designed to attract bees and butterflies, the Pollinator Garden serves as an outdoor classroom, playground and garden space.

2018
MCH wins BEST PRESCHOOL by 425 Magazine for the second year in a row -- along with another honor: Best Childcare.
MCH announces another expansion with an MCH Middle School set to launch in 2019.
With partner funding by the MCHPA, the new Infant/Toddler Playground opens, encouraging imaginative play and cognitive development.
MCH creates a large, free-range animal environment for the MCH goats and ducks.

2019
MCH Middle School opens.

2021
MCH changes classroom names to Native Plants found around campus.
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