said by Riamen:The article says 'students' not 'children'. The NY Times article linked in your link suggests the students are young adults.
You're right. I assumed students were young from this line in the article
As Lindstrom concluded, you love your iPhone and if JP Morgan Chase is right, eight million of you wont let a little thing like costing 32,000 Chinese students their education keep you from spending $600 to smear your fingerprints all over your loved ones glass screen.