Parents, students express concern after 29-year-old woman posed as teen at high school

Parents and students are baffled and concerned after news that a 29-year-old woman posed as a teen at New Brunswick High School.
Police say Hyejeong Shin is facing charges for posing as a teenager the school. Shin was arrested last week after district officials discovered she had filed false documents to enroll as a student at the high school. Shin attended classes for four days before being found out and barred from entering district property.
Students, parents and educators are still wondering how Shin was able to pull this off. Parents who spoke with News 12 New Jersey are very concerned.
“I feel like that’s very concerning that us parents have to be the last ones to know about what’s going when we should obviously be the first ones,” says mother Yaritza Arroyo.
New Brunswick Schools Superintendent Dr. Aubrey Johnson made a short announcement at a recent board of education meeting, calling the incident bothersome - and promising to take a closer look at New Brunswick's enrollment process.
There were two protests on school grounds Wednesday to demand answers and better security. 
“To know that a person with that intention was that close to me is even scarier,” says sophomore Rihanna Colon who joined one of two protests on campus Wednesday to demand answers and to call for better school security.
“I want to see the school make a change. They simply ignore everything, sweep it under rug for their reputation,” says Colon.
News 12 was also told schools must accept children even without documents or proof of guardianship.
New Brunswick police charged Shin with providing a false government document - in this case a birth certificate.
It’s still unclear why Shin allegedly wanted to enroll in the school.