A teaching union has said that a number of its members at a County Tyrone school have raised concerns about working conditions and wellbeing.
The Irish National Teachers' Organisation (INTO) is carrying out an anonymous health and wellbeing survey at St Patrick's College in Dungannon.
Most of the teachers are in INTO.
But the Council for Catholic Maintained School (CCMS) said the school leadership is "well placed to be able to deal with any significant issues".
As St Patrick's College is a Catholic maintained school, CCMS has responsibility for its management along with the school governors.
It is a non-selective school with over 700 pupils aged from 11 to 18.
Following a meeting between the union and CCMS, INTO informed CCMS and the governors that it would be conducting an anonymous health and wellbeing survey of its members.
That is a relatively unusual move and is used by the union to ascertain opinions and experiences of a range of issues.
