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    From Small Beginnings…

    Located in Rathfarnham, Dublin, St. Mary’s B.N.S. is a boys school with over 430 pupils and a talented and dedicated teaching staff.

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Principal's Message

Through a rich and varied curriculum we aspire to enable each pupil ...


About Our School

Our talented teaching staff aims to provide all our pupils with a high ...



Parents seeking to enrol a boy in St. Mary’s B.N.S. should return a ...


Latest news


The P.E. Curriculum

There are 6 strands in the P.E. curriculum: · Athletics · Dance · Games · Gymnastics · Outdoor and Adventure · Aquatics 5 out of the 6 strands are covered each year, with aquatics being taught both in […]

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Active Schools Week

Active Schools Week ASW took place from April 24th to April 28th. The week was packed with activities for all classes as outlined in the posters below. There was something different on each day and children were given […]


Active Schools Partnerships

Partnerships We are very lucky to have such amazing clubs, schools and organisations in our area. We have worked hard to develop good relationships with them all and hope to build on these in the coming years. Ballyboden St […]

Amber Flag Committee

Amber Flag

This year we are working towards getting the Amber Flag for our school. The Amber Flag is an initiative run by Pieta House to promote positive mental health awareness and well-being. Our first step towards achieving this flag […]


Tue 30

Standardised Testing- Gaeilge

May 30, 2023 - May 31, 2023
14 Grange Rd, Rathfarnham, Dublin 14
Jun 02

No School for Boys- Curriculum Training Day

June 2, 2023 @ 8:00 am - 5:00 pm
14 Grange Rd, Rathfarnham, Dublin 14
Jun 05

June Bank Holiday Closure

June 5, 2023 - June 6, 2023
14 Grange Rd, Rathfarnham, Dublin 14

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