I think that if people are well educated they tend to know better about the process, laws. Etc. Also, they can't be fooled very easily. Something along those lines.
Answer:
Starr states numerous times throughout the text that she has one version of herself when she is at home in Garden Heights and another when she is at school at Williamson Prep.
The sentence includes two words with virtually identical meanings: duplicity and dishonesty. Therefore, the context clue that's found in the sentence is synonym, as the two are synonymous.