It is the character of Sandy who brings out this theme. Spark, like Sandy, converted to Roman Catholicism.
She lives by herself and goes through life in a repetitive manner. It is a part of who people are. Miss Brodie's views on education differ so greatly from Mr Gradgrind's because she puts an emphasis on the fact that 'Goodness, truth and beauty' are more important in life than learning sheer facts.
In this case, the omniscient narrator has been included in order to introduce a sense of uncertainty to the reader, as the narrative form initially seems to lack credibility and reliability.
This literature subverts a conventional idea of woman because unlike many literature texts, the central purpose of woman does not focus around them serving men, but to be powerful and dominating. One of the girls, Rose Stanley "shook off Miss Brodies influences a dog shakes pond water from its coat.