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King Lab School

At Seneca’s King Observatory Laboratory Teaching School (KOLTS), we serve families from surrounding communities and those who travel to campus for either work or study. We aim to provide high-quality early education programs that benefit the community as a whole. We strive to build and maintain connections with families and communities because we recognize the importance that it plays in developing children’s sense of self-identity and well-being.

At KOLTS, we hold the philosophy that children learn about the world around them through play. We recognize that children are natural researchers who are curious, competent, capable and creative.

Our Forest and Nature School (FNS) program supports this philosophy by contributing to the development of children’s physical, science, math, arts and ecological literacy through outdoors, inquiry and play-based curriculum.

Our traditional and Forest School classrooms provide rich experiences that offer children the opportunity to actively engage with other children, adults, the environment and materials. Visit our Forest and Nature School blog for more information.

In support of this philosophy, our registered childhood educators accompany children on their journeys by supporting their learning and development. Our roles as registered childhood educators at KOLTS include joining children on their journeys and supporting their learning and development. As we build and strengthen relationships, explore through play and connect with the natural environment, children are enabled to acquire self-regulation skills that cultivate healthy self-esteem and overall sense of wellbeing.

KOLTS also works closely with Seneca’s School of Early Childhood Education (ECE) and support students in the ECE Diploma program and Child Development Degree program through placements and mentorship.

Our program is guided by the principles found in the Ministry of Education's How Does Learning Happen document as well as Forest School Canada's Forest and Nature School in Canada: A Head, Heart, Hands Approach to Outdoor Learning guide.

For more information regarding registration and enrollment, review the Family Orientation Booklet.

Download the KOLTS Handbook (PDF) for more information.

Land Acknowledgment

KOLTS is located on the traditional territory of the Mississaugas of the New Credit [and the Williams Treaty] First Nations. We acknowledge that we are guests on this space and it is our shared obligation to respect, honour and sustain this land.


Children from 18 months to 12 years of age are accepted into our programs at KOLTS.

Prioritized enrollment is offered to children on the waiting list if the any of the following apply:

  • children whose siblings are already enrolled in KOLTS
  • children on a 'break in service' (maternity/paternal/adoption/medical leave/etc.)

Child Care Fee Subsidy

If you are living in York Region and require subsidy, please visit the York Region Child Care Fee Subsidy program.


To place your child on the wait list please fill out our wait list form.

Contact Us

Location: 13990 Dufferin Street, King City, ON

Phone: 416.491.5050 ext. 55063


Hours of operation: Monday – Friday from 7:30 a.m. to 5:30 p.m.

Note: We are closed on statutory holidays and the two weeks in December/January coinciding with the YRDSB Winter Break.