A teacher accused of the indecent treatment of children has been charged with more than 200 additional offences against 24 alleged victims.
The 35-year-old man was arrested in north Queensland and initially faced a total of five charges, before detectives allegedly found additional child exploitation material on his electronic devices.
Police say the man is an employee of Education Queensland and the alleged offending took place in Cairns.
A total of 24 complainants have been identified as part of the investigation.