Sisu
Outdoor School

Open House
Jan 24th

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Where childhood is wild, muddy, and deeply loved.

Rooted in nature,
guided by courage

Sisu Outdoor School is in Redmond, Washington.

Rooted in the Finnish concept of sisu—quiet courage, resilience, and heart—we believe children thrive when they are given time, trust, and space outdoors.

Our days unfold in the forest and meadows through child-led play, seasonal rhythms, and meaningful connection to place. From our youngest preschoolers to our older students, we hike, explore, wonder, get muddy, and learn together—rain or shine. With experienced teachers and a strong commitment to safety, we support children as they build confidence, empathy, and a lifelong relationship with the natural world.

ABOUT US
Young girl in rain boots and overalls exploring a stream in a forest, holding a small metal watering can.
Group of children crouching down and looking at something on the ground near a big tree in a forested area, with backpacks on their backs.

Shaped by the Seasons

At Sisu, our days are shaped by the seasons, the weather, and the children themselves—from our youngest preschoolers to our older students. We move together through outdoor play, exploration, meals, and rest, returning to familiar rhythms that create a sense of safety, belonging, and joy for every age.

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Because outdoors is the best classroom

Our Classes

from $2,150.00

Our Outdoor Preschool offers young children a gentle, nature- and play-based beginning to school.

Through play, exploration, and daily time outdoors, children build confidence, curiosity, and a strong connection to the natural world.

*Must be 3 by Sept 1st

Two children outdoors in raincoats, one with yellow boots and the other with red and gray, walking through a grassy area with fallen leaves, one holding a white bag.
from $1,100.00

Outdoor Explorers offers older children space for deeper exploration - longer hikes, team building opportunities, and growing independence,

Through play, exploration, and time outdoors, kids build confidence, curiosity, and a strong connection to each other and the natural world.

Group of children sitting and climbing on logs in a lush green forest, playing and exploring nature.
$350.00

Summer Freedom is our relaxed, nature-rich summer offering, designed to give children long, unhurried mornings outdoors. Rather than themed weeks, our summer is guided by curiosity, play, and the rhythms of the season.

Our summer camps are grouped by age & stage. Weekly sessions offered (M-Th) during 2 session times

  • Session A: 9 am - 1 pm
  • Session B: 9:30 am - 1:30 pm
Two children exploring a forest trail in autumn, wearing colorful jackets, surrounded by fallen leaves and lush green ferns.
Two children, one boy in a blue jacket and green hat and one girl in a pink jacket, are looking at a container of dirt and decomposing leaves, surrounded by outdoor plants and bricks.

Get in Touch

Whether you’re curious about our days outdoors, hoping to visit, or interested in joining our teaching team, we’d love to connect.