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I'm taught, each differs as a rule

Yet somehow I maintain a school,

For who else would have? I was shocked

To find in disarray unstocked,

So collect me together cherish

I might die, might wish me perish!

'I was taught also.'
'I don't think you ever learnt this though.'
'So it must be a rather peculiar subject, such as, horse bating, or, tea-coaster design.'

Riddle Answer A Thought

Riddle Explanation

I'm taught, each differs as a rule yet somehow I maintain a school - a school of thought.

for who else would have? I was shocked - who would have thought?

to find in disarray unstocked, so collect me together - to collect one's thoughts.

cherish I might die, might wish me perish! - perish the thought!