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Latest News

Class '96 - 20 Year Reunion Alert

Class '96 - 20 Year Reunion Alert

Castleknock Hotel & Country Club

Oct 15, 2016

Maths Gold Medal at Knock

Maths Gold Medal at Knock

Maths Week Ireland 2016

Oct 15, 2016

Careers evening with Peter Barry, class '94

Careers evening with Peter Barry, class '94

Photo Gallery

Oct 13, 2016

Careers Networking Evening

Careers Networking Evening

Dillon Eustace, 33 Sir John Rogerson's Quay, D2

Oct 13, 2016

Noel Coghlan, class '57, the Poelkapelle 'nephew'

Noel Coghlan, class '57, the Poelkapelle 'nephew'

Where are they now

Oct 8, 2016

'56 class 60th Anniversary Lunch

'56 class 60th Anniversary Lunch

Photo Gallery

Oct 7, 2016

SVC House Captains

SVC House Captains

Head Boys

Sep 30, 2016

'66 in Westport for their 50th Reunion

'66 in Westport for their 50th Reunion

Photo Gallery

Sep 23, 2016

Class '66 - 50 Year Reunion Alert

Class '66 - 50 Year Reunion Alert

Wyatt Hotel, Octagon, Westport

Sep 23, 2016

Our man in Papua New Guinea - John Glynn class '55

Our man in Papua New Guinea - John Glynn class '55

It's a long long way from Clare to there

Sep 13, 2016

Knock rule Leinster League Tables

Knock rule Leinster League Tables

Sunday Times School League Tables

Sep 6, 2016

The 24-Hour running machine that is Daragh O'Loughlin, class '04

The 24-Hour running machine that is Daragh O'Loughlin, class '04

Where are they now

Sep 5, 2016

Michael Kearney, class '74, retires as IRFU Team Manager

Michael Kearney, class '74, retires as IRFU Team Manager

Where are they now

Sep 3, 2016

Patrick Dempsey, class '77, OBE

Patrick Dempsey, class '77, OBE

Where are they now

Aug 5, 2016

Keogh Cup 2016 Champion

Keogh Cup 2016 Champion

Stephen Connolly, class '04

Jul 16, 2016

2016 Keogh Cup Golf

2016 Keogh Cup Golf

Hermitage Golf Club

Jul 16, 2016

Jody Fanagan ends 35 year wait for golf glory...

Jody Fanagan ends 35 year wait for golf glory...

Father & son Golf Champions

Jul 10, 2016

Whitty family at the front

Whitty family at the front

father, three sons and two nephews all who served in WWI

Jul 8, 2016

2016 Soccer Blitz Champions

2016 Soccer Blitz Champions

class '12 powered by '08/'09

Jun 18, 2016

2016 Soccer Blitz & BBQ

2016 Soccer Blitz & BBQ

Castleknock College

Jun 18, 2016

2025 Business Lunch

Date: Mar 21, 2025

Corporate Supporters

College Roll

Upcoming Events

Recently Deceased

Dr Liam Bannan, Class '67

Dr Liam Bannan, Class '67
Liam O'Flynn, Class '83

Liam O'Flynn, Class '83
Dermot Dolphin, Class '99

Dermot Dolphin, Class '99
Dermot Kelly, Class '77

Dermot Kelly, Class '77
James Lawler, Class '70

James Lawler, Class '70
Donal Moran, Class '82

Donal Moran, Class '82
Paddy Shortall, Class '56

Paddy Shortall, Class '56
Peter Quinn, Class '65

Peter Quinn, Class '65
William (Bill) Dwan, class '80

William (Bill) Dwan, class '80
Dermot O'Neill, class '51

Dermot O'Neill, class '51

From the Archives

1941-42 JCT Campaign - KnockUnion.ie

1941-42 JCT Campaign

83 years ago

Patrick Boyle, class '71 - KnockUnion.ie

Patrick Boyle, class '71

92 years ago

Laurence Ward, class '71 - KnockUnion.ie

Laurence Ward, class '71

86 years ago

Castleknock Castle: its Owners - KnockUnion.ie

Castleknock Castle: its Owners

90 years ago

40's Boxing Club - KnockUnion.ie

40's Boxing Club

81 years ago

Billiards in the 40's - KnockUnion.ie

Billiards in the 40's

81 years ago

Farrell Brothers of Portarlington - KnockUnion.ie

Farrell Brothers of Portarlington

90 years ago

The Ward Brothers - KnockUnion.ie

The Ward Brothers

87 years ago

Simon O'Donovan, class '98 - KnockUnion.ie

Simon O'Donovan, class '98

91 years ago

1943-44 Athletic Club - KnockUnion.ie

1943-44 Athletic Club

81 years ago