The education department says it completely refutes claims that it has created a toxic culture for school leaders or any abuse of policies.
Claims were made by the National Association of Head Teachers in a letter sent to interim chief executive Mark Lewin.
The NAHT criticised a “flagrant abuse of established policies and procedures, bullying and intimidation of school leaders and the fostering of a toxic culture within DESC”.
A department spokesperson said it is “aware of the letter issued by the National Association of Head Teachers (NAHT) and acknowledges the serious nature of the concerns raised”
Standards
However, the spokesperson added: “In relation to the allegations – including suggestions of a toxic culture and abuse of policies – the Department completely refutes these claims.
“They do not reflect the standards or values we uphold within DESC.
“We believe the concerns stem from a matter that has been under discussion for some time and remains subject to ongoing internal processes.
“While we recognise the impact on those involved, it would be inappropriate to comment further to ensure due process, fairness, and confidentiality.
“DESC remains committed to working constructively with all recognised teaching unions and professional associations. We continue to engage on key matters including pay, working conditions, and professional support for educators.
“A respectful and collaborative relationship with all education partners – including school leaders and their representatives – is essential to delivering the best outcomes for learners across the Isle of Man.
“We remain open to meaningful dialogue to support that goal.”
Direct Attack
Assistant general sectary of NAHT Rob Kelsall said: ““It is our considered view that these breaches disproportionately and exclusively affect members of NAHT and represent a direct attack on the union membership and legitimate activities of members and elected NAHT officials.”
The union warned of a “significant breakdown in industrial relations,” blaming DESC leadership for a “profound loss of trust and confidence.”



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