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    Environment Explore current environmental issues.  Reduce your own environmental impact.  Learn how the planet works.

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    Academics Earn four compulsory grade 10 credits.  Enjoy learning in a supportive environment.  Connect reading and writing to experience.

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    Get Outside Climb, canoe, hike and snowshoe.  Enjoy the natural world every day.  Go on a wilderness trip.

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    Make a Difference Teach Grade 4 students.  Develop civics projects to help your community.  Learn to be involved and effective.


Currently Accepting Applications

Download and complete a Trailhead Application, have a teacher fill in the reference page, then submit to your guidance office.


Want a Trailhead Branded Nalgene? $15

Nalgene Google Request Form

Just click on this link and you can customize your order. 


Disclaimer: Actual bottles do not defy gravity.


Thank you for visiting our Open House in February!


We are so glad you could come and hear about our program from the instructors.  It was nice to meet many new students and their families.


Remember, applications are being accepted for Fall 2016 and Winter 2017. Hope to see you soon.



What is the Trailhead Program?

Trailhead is a one semester, four-credit, community environmental leadership program for grade 10 students in the Halton District School Board.


Trailhead Testimonials

“I saw a whole new side of nature and fostered the amazing appreciation for the environment that I have now.” – Alec


“Trailhead is the most amazing school out there! We get so much freedom and excitement!” – Monica


Attention Alumni!

Please visit the Trailhead Facebook page to connect with friends and for important information about upcoming events!

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Funding provided by the Halton District School Board, the Halton Learning Foundation and TD Friends of the Environment Foundation.

Halton District School Board Gary Allan High School

Trailhead is a Gary Allan High School program in the Halton District School Board.