Possible Clues:

• Steam railway, say, visited by gracious ruling elite
• Blond Tory woke up those with friends in high places?
• Precious type heading off to River associated with Irish battle? The first job for group of establishment types!
• Bloody fantastic job (without catch)! How did you get it?
• Group that does each other favours — not rowdy bloke (anag)
• System of mutual assistance
• Informal system of co-operation based on public school
• Nobody let off Labour association
• Corrupt world OK by Eton — it's how Etonians thrive!
• Form of nepotism