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  At Marin Horizon   I am heard.  

Inspiring students to become passionate learners,
beacons of kindness, 
and advocates for positive change.

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Welcome from Head of School

Since its founding in 1977, Marin Horizon has been providing a challenging and robust academic program combined with character-enhancing life skills. Marin Horizon is a place of creative, active learning built around our commitment to developing each student’s confident voice.


Meet the Faculty

Many of the faculty have been in the school for more than 20 years, and leverage their experience to shape the academic program to instill the love of learning. 


In addition to being experienced and passionate teachers, the Marin Horizon faculty are learners themselves - they keep abreast of and adapt to the most advanced teaching methodologies with professional development.

Academic Excellence

Our transformative curriculum is designed to inspire students to embrace challenges, think critically, and become compassionate advocates.


Each grade’s curriculum has been thoughtfully crafted to generate intellectual curiosity, and purposefully connected to the next grade for a seamless continuity of learning.

Our experienced teachers make each lesson an immersive learning experience for deep, conceptual understanding.



We are looking forward to meeting you, and we can't wait to meet your student.

Visit our school, observe a classroom, meet a teacher, and discover how Marin Horizon can help your student find their voice.


Applications for the 2024 - 2025 school year are due by January 12, 2024.


Academic Program

Marin Horizon School offers a challenging academic program combined with character-enhancing life skills to give each student a voice. The curriculum is designed to ensure every student develops a strong learning foundation, a wide set of academic knowledge, and critical reasoning and problem-solving skills along with empathy and leadership skills for success.

Learning Beyond the Classroom

At Marin Horizon, learning extends beyond the classrooms into our beautiful surroundings and community, where students learn character development skills and become advocates for change. The Experiential Education program teaches leadership, teamwork, independence, problem-solving, and care for the environment and our community. The Performing Arts program focuses on developing creative expression, imagination, and self-confidence. 


Ruby Bridges Walk

Diversity, Equity, and Inclusion  are part of our community's the DNA. On our Ruby Bridges Students Walk, students honor the Civil Rights Movement and exercise their voice for change.

"It's one thing to read about injustice, and another to speak out against it."



In performances like Monty Python's Spamalot, the Wizard of Oz, and A Midsummer Night's Dream, students flex their acting and vocal talents.

"The 6th grader who plays Nick Bottom belongs at the Globe Theatre in London."


Green Team

Our entire community comes together on Earth Day to learn about climate issues and conservation from students. Our Green Team Club spends months designing their sustainable fashion creations.

"Every single thing we do has an impact on the world around us."


Trail Running

Our Physical and Outdoor Education programs leverage Mill Valley's natural trails systems to hone their running skills.   

"Every upper school student participates in the track meet - we value courage."

Marin Horizon by the Numbers


Years of


Graduates Accepted

at High School of Choice


Cumulative Years

of Teacher Experience



Student to Teacher



Students Enrolled

for 2023/2024


of Students Benefit

from Indexed Tuition

A Deeply Engaged Community

Our community of parents are a frequent presence on campus, immersing themselves in primary classroom readings, appreciating student projects, and participating in events that unify us all. This community spirit is reflected in our students, who form friendships spanning different grades, and feel a sense of belonging that's increasingly elusive in modern times. The bond between the school and its families facilitates the holistic development of every student.

Upcoming Events

Aug 22

New Family


Aug 27

First Day

of School

Sep 4

Labor Day


Sep 6, 7

Back to School


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