Strategy explaining how the Leaving Cert will be done? And, that's the best proposal you have! (6,4)

I believe the answer is:

master plan

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'strategy' is the definition.
(I have seen 'Overall strategy' mean 'master plan' so perhaps 'strategy' could also mean 'master plan')

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for master plan that I've seen before include "Great stratagem" , "Overall strategy" .)

I've seen this clue in the Irish Times and the Irish Times (Crosaire).

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