Parents with children at a further 16 schools have been notified that their children's data may have been breached.
Youth workers from New Lodge in north Belfast and pupils from Harberton Special School designed the #hearMeOut campaign.
A school and a charity have developed a scheme An Droichead - The Bridge - to span the gap between school and employment.
The former teacher has carried out reviews of behaviour in schools in England and critics say he has a hardline approach.
A Department for the Economy official warns 1,700 places would be at risk come September.
Dorinnia Carville says the college's 2023 accounts were 19 months late and had to go through 11 different versions in an attempt to address "a large number of errors".
Amy Gibney says she is one of eight families at her child's school to find out that they don't have a place for next year.
Under the new syllabus, children would learn about "identity, privacy and cybersecurity" online from the earliest years of primary school.
A social media ban for under-16s was announced by the UK government on Monday.