Montessori School in Lake Forest, CA | Guidepost Montessori

Guidepost Montessori School at Foothill Ranch

Guidepost Montessori at Foothill Ranch, CA is our flagship school, where Guidepost was born right here in Orange County! We welcome your family to our community, which serves children from infancy to age twelve.

We are committed to offering authentic Montessori education in a supportive, safe environment. With programs designed for infants, toddlers, preschoolers, kindergartners, and elementary students, our Foothill Ranch campus offers opportunities to explore and grow through the most critical periods of your child's development.

Whether your family is new to Montessori or transitioning from a traditional preschool, daycare, kindergarten, Guidepost Montessori at Foothill Ranch is eager to welcome your family to join our vibrant community. Discover more about our accredited, authentic Montessori school in Orange County with a tour today.

About Guidepost Montessori at Foothill Ranch

Guidepost Foothill Ranch is part of an international network of Montessori schools dedicated to helping children grow through joyful learning. Our school in Orange County offers a warm and engaging environment for infants (6 weeks to 16 months), toddlers (16 months to 3 years old), children (3 to 6 years old), and elementary students (grades 1-6).

Early childhood years are the most critical time in your child's development. These years are foundational in shaping your child's future academic success and social, emotional wellbeing. Montessori education provides your child with the foundation to solidify a lifelong love of learning.

Are you searching for a day care, preschool, kindergarten, or elementary program in Foothill Ranch, CA? Consider Guidepost Montessori. Day care corresponds to our 'Nido' and 'Toddler' programs, while preschool and kindergarten correspond to our three-year 'Children's House' program.

With Montessori's emphasis on helping children thrive socially, emotionally, and academically, Guidepost at Foothill Ranch can provide the right environment for your child to unlock their full potential from infancy through elementary.

Our Programs

  • Offering Nido, Toddler, Children's House, and Elementary programs
  • Available as 5-day or 3-day per week options
  • Full-day or half-day options available
  • Monthly tuition rates vary based on program and start date

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Our School

  • Guidepost Montessori at Foothill Ranch
  • Address: 26462 Towne Centre Dr, Foothill Ranch, CA 92610 US
  • Hours: Monday to Friday 7:00am - 6:00pm
  • Admissions: 442-267-6305
  • School: 949-340-1695
  • Email:
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Explore Our Programs

We are now accepting registrations for our programs! You can enroll to start right away or join our waitlist if your program is not currently available. We are also pleased to offer families affiliated at-home programming with more immediate care needs, while you wait for your waitlist spot to become available.

Guidepost Summer Camp

Guidepost Montessori is offering fun and educational summer camp experiences for students 6-12 at our Foothill Ranch campus. Each week is designed around a specific theme for students to discover and investigate. Students will take part in creative projects, singing and playing, outdoor games, field trips and more, all wrapped up in that week’s theme.

  • Pricing: $490/week
  • Camp Hours: Monday to Friday 7:00am - 6:00pm
  • Address: 26462 Towne Centre Drive, Foothill Ranch, CA 92610

Why Choose Guidepost Montessori at Foothill Ranch

Children are born with a natural curiosity and love of learning. When nurtured and properly guided, this curiosity can unlock the door to deeper learning. Our team of educators at Guidepost Foothill Ranch is committed to honoring school in this way, treating each student as a unique, capable, and respected individual. We partner intentionally with parents and caregivers to foster an authentic love of learning as it naturally unfolds.

At Guidepost Montessori Foothill Ranch, we see firsthand the power of The Montessori Method. Through this child-led model that is deeply connected to real-world experience, children develop a strong sense of who they are, who they want to be, and how that fits into the world. They become self-motivated, responsible, caring, and creative contributors and leaders.

With our carefully prepared environments, we deliver a scientifically designed curriculum that further inspires children to create their own ideas, pursue their own interests, express their feelings, take risks, and make choices. Our educators guide your child through a world of discovery and responsibilities as they take their first steps towards meaningful independence.

Guidepost Montessori education takes a holistic approach: enabling social, emotional, and physical development alongside academic success

The Guidepost Approach

Educating the whole child

Teachers choose their moments of instruction wisely, offering lessons and presentations at suitable junctures in each child's development

The Guidepost Approach

A teacher whose job is to guide, not lead

Our teachers follow each child's natural schedule, which encourages them to trust their own bodies

The Guidepost Approach

Respecting the young child's rhythm of life

Children are given the tools and uninterrupted time to work on activities and materials they value

The Guidepost Approach

More study, not less

Children are given the freedom to follow their academic interests, which reduces the need for external motivation

The Guidepost Approach

No need for rewards or punishments

The teacher connects the child with their environment, showing them how to use the learning materials and evaluate their own work

The Guidepost Approach

Independent learning by the child

With the freedom to move and choose their own work, children develop internal discipline and social awareness

The Guidepost Approach

Empowered by choice

Lessons are designed to appeal to each child's level of development and interests

The Guidepost Approach

Individually tailored lessons

A place where every student feels a sense of belonging, building confidence in the knowledge that their social identity is an asset and not a barrier

The Guidepost Approach

Identity safe classrooms

Ready to get started?

Join Guidepost

You have decided to join our community, welcome! If space is available for your desired program and start date, we will send an offer letter and process your registration right away. If a program is full, join our waitlist to hold your child's spot when space becomes available.

Set Start Date

We offer rolling admissions for families who are looking to get started right away. Once you receive an offer and register, we will confirm your start date and await your first day with us!

Watch an Overview

A Peek Inside our School

Guidepost Montessori classrooms are light, airy, calming, aesthetically beautiful spaces. Each material is carefully chosen and carefully displayed — to inspire and entice your child to explore.

Meet the Foothill Ranch School Team

We offer regular events to foster a vibrant school community: coffee chats with the school staff, seasonal events to bring our parents, families and staff together and open houses to share the school community with new families. We look forward to meeting you!

Head of School

Diana Le Sieur

Assistant Head of School

Sarah Lee

Administrative Assistant

Elizabeth Hernandez

Why Guidepost?

The Montessori approach to human development is based on the belief in the potential of the child, and on the belief that it is only the child who can realize this potential. To grow up well is to grow up to be increasingly independent, capable, confident, happy and secure. At Guidepost, we are the village that supports you in raising your child.

The Montessori Approach

The Montessori method of education offers a knowledge-rich environment, through a child-led model. Children learn joyfully, through working with carefully sequenced, hands-on materials. Your child’s enthusiastic exploration naturally leads to a solid foundation and advanced academics.

A Close-Knit Community

Guidepost families tend to be friendly and welcoming folks, eager to make connections and form strong bonds. We think the education of our students is stronger when we can serve as a hub for such relationships, and we do all we can to foster a strong community in our area, with plenty of fun events and opportunities to meet and mingle.

A Global Network to Support You

Guidepost Montessori offers access to high-quality Montessori education in schools, at-home, or from anywhere around the world. Move seamlessly through our network as the needs of your family change to ensure continuity and consistency in your child's education, wherever you are located.

Your Child's Education Starts at Guidepost Montessori Foothill Ranch

Established in 2016, Guidepost Montessori School Foothill Ranch is one of the most trusted Montessori schools in Southern California. We make learning fun with the happy balance of real academics, intellectual curiosity, and a supportive environment for students. Children learn through working with carefully curated, hands-on materials and activities that engage each child's freedom to explore and learn within a prepared, orderly environment.

Come visit our school for a personal tour and to learn more about our programs, facilities, and affiliated at-home programming. Or call us at (949) 340-1695.

Giving children the keys to life

Guidepost Montessori enables children to understand the world and choose their place within it.

With over 80 campuses across the US and Asia, and at-home and virtual learning programs serving more than 7,000 families worldwide, Guidepost is the world’s largest Montessori network.

Learn more about our:

Do you want to learn more about Montessori? Visit The Prepared Montessorian for flexible online courses, from beginner to expert level.

Get Started

Fill out the form to learn more about our school programs, tuition, or to schedule a school tour. A Regional Admissions specialist will get in touch within 24 hours.