Context: The Canada School of Public Service was created on April 1, 2004. The School is the main educational institution for the Government of Canada, and is part of the Treasury Board portfolio. It was created from an amalgamation of the following three organizations: the Canadian Centre for Management Development, Training and Development Canada and Language Training Canada.

Question: what is the canada school of public service?
Steam of consciousness below:

To answer the question, consider the following: The School is the main educational institution for the Government of Canada, and is part of the Treasury Board portfolio.
So, the answer is the main educational institution for the Government of Canada.