The police have no interest in her. She will be deported, and perhaps fined, when they have gathered whatever information she has about her employers and agents. They are also investigating the police officers that gave her the bogus visa and his/her relationship with the school/agents.

The police are waiting until senior officials, none of whom she has met, finally decide whether to pursue her employer or agents or to squeeze them for 'silence money' if they are well connected. That negotiation is going on without the knowledge of the police. They are merely awaiting the decision.

If she tries to leave the country now, her passport number may trigger scrutiny at the border. It is in her best interest to be honest and patient. She should believe NOTHING that her agency or employer tell her now and she MUST not lie to the police on their behalf.

Given her age, I doubt that the fine will be significant.