Deborah Feldman is making up some facts and omitting others. She wants people to believe that her upbringing was strictly Satmar, when in fact she spent roughly four years in a Satmar School.
Ironically though she doesn't talk about her other Satmar experience; She doesn't mention anywhere in her book that she held a teaching job in Satmar/Kiryas Joel after getting married. There are two obvious reasons why she is hiding it.
1. It refutes her claims that she was not accepted by the community and was treated like an outcast
2. It proves that she actually felt comfortable with Satmar and their way of life.
What's worse, it's hypocritical to teach Satmar girls if you don't believe in their education system.