How to Apply

If you are interested in applying to the Trailhead Program for the next school year, applications are accepted beginning in December of the year prior and are accepted up until the program is full.  Students are encouraged to submit an application as soon as possible because the program has limited enrollment.

The application process requires that you provide:

  1. your correct email address
  2. the correct email address of a parent/guardian
  3. the name and email address of a referring teacher
  4. the name and email address of your in-school guidance counsellor

To apply for Trailhead, please click on the link below to complete the online application:

Trailhead Application (2017)

Trailhead staff will review your application, and contact you and your guidance counselor with an acceptance decision or if further information is required. Applications are prioritized by the date received at the Trailhead office.


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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.