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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


Christmas Shows

All of the boys and teachers put a huge effort into their Christmas shows over the last few weeks. They are now available to watch over on our Youtube channel-  Sit back, relax and enjoy the shows!


Football League Finals

Our school Football League came to a close yesterday with three exciting finals. There were some superb performances across the three games. The skill level was extremely high with some great high fielding, passing, team work, tackling and […]


Team Hope Shoebox Appeal

Thank you to everyone who made a shoebox for the Team Hope appeal. An amazing 232 shoeboxes were sent on Tuesday afternoon. They will make a huge difference. Thanks to Valerie for organising.

Football League Table 2021

School Football League

It’s fantastic that our boys are back playing football after school on Mondays and Thursdays from 2.30- 3.30. It’s great to see and hear activity on the school fields again. Here is the latest league table as we […]


Feb 21

February Mid-Term Break

February 21, 2022 @ 8:00 am - February 27, 2022 @ 5:00 pm
14 Grange Rd, Rathfarnham, Dublin 14
Mar 17

St. Patrick’s Day Closure

March 17, 2022 @ 8:00 am - March 18, 2022 @ 5:00 pm
14 Grange Rd, Rathfarnham, Dublin 14
Apr 08

Easter Holidays

April 8, 2022 @ 12:15 pm - April 24, 2022 @ 5:00 pm
14 Grange Rd, Rathfarnham, Dublin 14

Latest Tweet

  • Here is a short teaser for our Christmas shows. They will be availa...