Lacking in schooling turned out problematic (9)

I believe the answer is:

untutored

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'lacking in schooling turned out problematic' is the definition.
I can't judge whether this defines the answer.

'turned out problematic' is the wordplay.
'problematic' indicates anagramming the letters.
'turned'+'out'='turnedout'
'turnedout' is an anagram of 'UNTUTORED'.

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(Other definitions for untutored that I've seen before include "Being ignorant" , "lacking education" , "lacking refinement" , "without formal education" , "Lacking formal teaching" .)

I've seen this clue in The Telegraph.

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