Mountain Shadows International Montessori School

Mountain Shadows International Montessori School A non-profit Montessori school in Boulder County serving children 6 weeks-15 years. Inside, the main casa is a thriving academic learning hub.

At Mountain Shadows, children grow through independence, curiosity, and community—preparing for life in a beautiful farm-inspired learning environment. Established in 1976, Mountain Shadows International Montessori School has provided exceptional, high-fidelity, and authentic Montessori Education to the families of Boulder County and beyond for over four and a half decades. Mountain Shadows Intern

ational Montessori is a small, dynamic and growing school for those families seeking a world-class education driven by curiosity, compassion, and creativity, in a bilingual environment. Our educational programs are globally recognized by Association Montessori Internationale (AMI), for ages 12 months through 12 years. AMI is the organization that is tasked with the responsibility of maintaining the integrity of Maria Montessori's legacy. MSIM and AMI share a mission to support children's natural development and to help them become the transformative force of society. We believe the AMI Montessori methodology fosters young leaders that are kind, self-driven, compassionate, and have a positive impact in the world. MSIM is dedicated to preparing children for life; to be curious and compassionate thinkers, global citizens, and collaborative problem solvers. Nestled on an idyllic hillside overlooking the farm mesas of Boulder County, Mountain Shadows’ 8-acre campus provides students with unencumbered connections with nature, including expansive outdoor learning environments, multiple playgrounds, nature preserves, and community gardens. We have spacious, natural light driven classrooms which are the creative homes for our students. In this close-knit atmosphere, students feel comfortable pursuing their own passions, free from the pressure to conform to what ‘everyone else’ is doing. Additionally, MSIM's campus features a 4000 sqft. multipurpose facility with a fully equipped audio and visual sound booth, and a performing arts stage. MSIM is more than just a school for children; it is considered a community center for folks of all ages to build lifelong friendships.

Have you ever wondered what’s really happening in your baby’s brain as they explore the world? 🌱Over a century ago, Mari...
06/15/2026

Have you ever wondered what’s really happening in your baby’s brain as they explore the world? 🌱

Over a century ago, Maria Montessori observed that young children move through "sensitive periods"—windows of intense curiosity where learning happens with extraordinary ease. Today, modern developmental neuroscience completely backs this up!

In our latest blog post, Following Nature's Blueprint, we explore how our Nido infant environment is intentionally designed to support these critical stages of brain development. From hands-on sensory materials to spaces that encourage early self-direction, see how our classroom honors your baby’s natural timeline to build a foundation for lifelong learning.

Tap the link in our bio to read the full post and discover the magic of the Nido! ✨

As our students dive into week two of the summer session, we’re taking a moment to reflect on our big Lower Elementary t...
06/11/2026

As our students dive into week two of the summer session, we’re taking a moment to reflect on our big Lower Elementary trip to the Cheyenne Mountain Zoo.

Their adventure was a beautiful reminder of how capable, collaborative, and confident these children can be when they are given the time and space to practice independence. It was the perfect way to wrap up a year of big work and big discoveries. 🌲🗺️

Wishing everyone a beautiful start to the summer—we hope it’s filled with just as much joy!

05/23/2026

MSIMS is growing—and we’d love to grow with your family!

Opening this August, our Nido classroom is designed to provide infants with the ideal space to explore, grow, and thrive at their own pace. If you're seeking a peaceful, authentic Montessori environment for your baby's crucial first years, our doors are opening soon! We currently have enrollment spots available, but space is limited to ensure personalized care.

If you want to learn more or schedule an information session please visit our website, www.mountainshadows.org, or give us a call at (303) 530-5353 today!

There is nothing quite like the warmth of a community coming together to celebrate its children. Yesterday, we gathered ...
05/22/2026

There is nothing quite like the warmth of a community coming together to celebrate its children. Yesterday, we gathered for our Continuation Ceremony to honor the big leaps, quiet growth, and incredible accomplishments of our students— thank you all for joining us and cheering them on. 🌿

From our YCC and Lower El friends moving on up to our Kindergarten and Sixth Grade graduates wrapping up their Primary and Elementary Montessori chapters, we are overflowing with pride. To the families who walk alongside us, the educators who guide with heart, and the students who inspire us daily: thank you for making our school community the beautiful village that it is.

Here’s to the independent thinkers, compassionate leaders, and joyful learners of tomorrow. 🚀

A few of our Lower Elementary students went on a “going out” yesterday! 🌎✨In Montessori, going out is a student-led expe...
05/16/2026

A few of our Lower Elementary students went on a “going out” yesterday! 🌎✨

In Montessori, going out is a student-led experience where children venture into the community to explore, learn, connect, and contribute beyond the classroom walls. Yesterday, that meant delivering donations to the Humane Society and learning more about caring for animals and serving our greater community. 🐾💛

We are so proud of these compassionate students and their desire to give back! 🐶🐱

Yesterday’s Family Day Picnic was such a beautiful celebration of connection, community, and the joy of simply being tog...
05/16/2026

Yesterday’s Family Day Picnic was such a beautiful celebration of connection, community, and the joy of simply being together. In honor of the United Nations International Day of Families, we were reminded that families in all forms are the heart of a child’s world and the foundation of a strong, compassionate community.

Watching our students laugh, play, share meals, and spend time with the people they love most was incredibly meaningful. Thank you to all of our families for helping create such a warm and joyful afternoon together. We are so grateful for this community and the care, partnership, and love that surrounds our children each day. 💛

More photos and videos coming next week! 😁

We are so proud of you. 🎓 A beautiful gathering honoring 6th year graduates following their impressive capstone presenta...
05/16/2026

We are so proud of you. 🎓

A beautiful gathering honoring 6th year graduates following their impressive capstone presentations. These brilliant children have completed their Montessori Elementary cycle with curiosity, intellect, confidence, and heart.

We are deeply grateful for the families and educators who have walked beside them throughout this journey. The future is bright. 💡

✨ Our silent auction is LIVE and filled with incredible experiences, getaways, baskets and bundles, classes, dining, fam...
05/08/2026

✨ Our silent auction is LIVE and filled with incredible experiences, getaways, baskets and bundles, classes, dining, family fun, and more! You do not need to attend the gala to bid or win. Please share with friends and family! 💫

MSIMS Closed Tomorrow, May 6, due to weather conditions. Please stay safe and warm.
05/06/2026

MSIMS Closed Tomorrow, May 6, due to weather conditions. Please stay safe and warm.

Address

4154 63rd Street
Boulder, CO
80301

Opening Hours

Monday 8am - 3pm
Tuesday 8am - 3pm
Wednesday 8am - 3pm
Thursday 8am - 3pm
Friday 8am - 3pm

Telephone

+13035305353

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