John Lahart (Dublin South West, Fianna Fail)
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434. To ask the Minister for Education and Skills the pupil-teacher ratio in primary schools in Dublin South-West in each of the years from 2011 to 2016 and to date in 2017; if there has been an improvement in the pupil-teacher ratio in Dublin South-West primary schools in that time; and if he will make a statement on the matter. [38583/17]

Richard Bruton (Dublin Bay North, Fine Gael)
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The pupil-teacher ratio (PTR) is calculated at each level by dividing the total number of pupils by the total number of allocated posts (classroom teachers and support teachers). This calculation differs from other such calculations (for example the staffing schedule at primary level which is the basis for allocating classroom teachers to each school based on their enrolments).

The Statistics Section of my Department's website contains extensive data relating to schools, including information on pupil teacher ratio at both primary and secondary level.