The 2011 Medallion Shield commenced in December 2011 with 38 teams participating. The 102nd Medallion Shield final was won by Sullivan Upper School.
Each team iss assigned to a seeding group which determines the stage at which that team joins the competition. Each stage is run on a single tie knock-out basis, with replays for drawn games when necessary.
The structure for the 2010-11 season was as follows:
Stage 1. Weakest twelve teams entered round 1. The six winners progressed to round 2. The losers entered the Medallion Trophy together with the losers of the round 2 fixtures. The matches were determined by an open draw.
Stage 2. A further ten teams entered together with the six winners from round 1. The matches in round 2 were determined by an open draw. The eight winners progressed to round 3. The eight losers joined the six losers from round 1 and competed for the Medallion Trophy.
Stage 3. A further eight teams entered together with the eight winners from round 2. The matches in round 3 were determined by an open draw. The eight winners progressed to round 4. The eight losers competed for the Medallion Bowl.
Stage 4. The top eight seeded teams joined the remaining eight winners from round 3. The matches in round 4 were determined by an open draw. The winners proceeded to the quarter finals, semi finals and final. The eight losers in round 4 played for the Medallion Plate.
In 2010-11 the top eight seeded teams were Belfast Royal Academy, Campbell College, Limavady Grammar School, Methodist College Belfast, Royal Belfast Academical Institution, Sullivan Upper School, The Royal School, Armagh and Wallace High School.
Round 1 results were as follows.
Antrim Grammar School 5-39 Omagh Academy
Banbridge Academy 46-12 Friends School Lisburn
Craigavon Senior High School 0-10 Wellington College Belfast
Limavady High School 12-31 Ballynahinch High School
St Columb's College 63-0 Strabane Grammar School
Slemish College 12-15 Carrickfergus Grammar School
Round 2 was marred by the death of a Carrickfergus Grammar School pupil Ben Robinson who collapsed near the end of their tie against Dalriada School and later died in hospital. The results in round 2 were as follows.
Banbridge Academy 0-27 Grosvenor Grammar School
Carrickfergus Grammar School beat Dalriada School
Omagh Academy 21-10 Foyle and Londonderry College
Portadown College 12-20 Larne Grammar School
Regent House Grammar School 64-3 Ballynahinch High School
Royal School Dungannon 26-0 Lurgan College
St Columb’s College 0-108 Cambridge House Grammar School
Wellington College Belfast 27-7 Portora Royal School
Losing teams from round 1 and 2 enter the Medallion Trophy.
Ballyclare High School 13-5 Dromore High School
Ballymena Academy 43-0 Regent House Grammar School
Bangor Grammar School beat Larne Grammar School
Cambridge House 27-28 Belfast High School
Carrickfergus Grammar School 17-12 Grosvenor Grammar School
Coleraine Academical Institution 37-12 Rainey Endowed School
Down High School 30-10 Royal School Dungannon (Replay - Game one: Royal School Dungannon 17-17 Down High School)
Wellington College Belfast 10-14 Omagh Academy
Losing teams from round 3 enter the Medallion Bowl.
Round four saw the entry of the top eight seeded teams with the following results.
Ballymena Academy 8-12 Royal Belfast Academical Institution
Bangor Grammar School 9-17 Wallace High School
Belfast High School 27-3 Ballyclare High School
Campbell College 18-8 Coleraine Academical Institution
Carrickfergus Grammar School 3-25 The Royal School, Armagh
Down High School 13-12 Belfast Royal Academy
Limavady Grammar School 107-0 Omagh Academy
Methodist College Belfast 10-12 Sullivan Upper School
Losing teams from round 4 enter the Medallion Plate.
Results were as follows
Campbell College 16-5 Wallace High School
Limavady Grammar School 17-7 Down High School
Royal Belfast Academical Institution 36-19 Belfast High School
The Royal School, Armagh 15-39 Sullivan Upper
Sullivan Upper School 8-0 Campbell College (played at Pirrie Park)
Limavady Grammar School 15-10 Royal Belfast Academical Institution (played at Ballymena Academy)
The final was contested by Sullivan Upper School, Holywood and Limavady Grammar School, Limavady. This was Sullivan's second final, winning their previous final in 2002 against Regent House. Limavady Grammar School was appearing in its first final. The final was played at Ravenhill on 22 March 2011.
The Sullivan Upper team was coached by former Ireland Rugby Captain and Scotland coach Willie Anderson.
Methodist College Belfast beat Ballymena Academy in the Plate, Rainey Endowed School beat Grosvenor Grammar School in the Bowl final and Dalriada School defeated Foyle and Londonderry College in the Trophy final.
