Five points from Simon O'Neill helped Omagh CBS beat St Michael's Enniskillen 0-13 to 0-12 in Saturday's Bank of Ireland McCormick Cup Final.
The decider was between the teams that topped the two league sections.
Meanwhile, 2005 winners Abbey CBS are out of this year's MacRory Cup after losing against St Eunan's on Saturday.
In Saturday's play-offs, Eunan's edged out Abbey 1-9 to 1-8 win while St Colman's Newry beat St Mary's Magherafelt 1-8 to 0-7.
Donegal senior panelist Michael Murphy scored St Eunan's crucial goal while Ciaran McGuigan notched St Colman's goal in the win over Magherafelt.
The wins earns St Eunan's and St Colman's places in the quarter-finals after Christmas.
St Benedict's Randalstown beat Our Lady's Castleblayney 0-19 to 1-5 in the BT Faul Cup Final.
The win is St Benedict's first ever Ulster Colleges title and Martin Johnston was among their scorers.
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