Eastbourne College have claimed two more Sussex boys' titles but Brighton College denied them a hat-trick.
The hosts secured the under-14s and under-16s titles to bring their overall total to 23 in 14 years before their defence of the under-18s crown ended in defeat at the finals in Eastbourne.
Coach David Miller said: "I'm proud of our record. The secret is down to the support of the head, a good coaching staff and interested pupils."
It was a Toy story at under-16s with Jordan Toy grabbing four goals in a 10-0 victory over Bishop Luffa (Chichester).
They had lost last year's final to Hurstpierpoint College but a Bishop Luffa side weakened by absentees were overrun.
Miller said: "It was one-way traffic. We played a pressure game and they were always going to crack. Jordan was a revelation. He hadn't even played hockey until this term and only made his A team debut 24 hours before against Tunbridge Wells.
"He is a big, strong, strapping lad who ended the game bleeding. He got stuck in, putting himself about in a desperate bid to score and it paid off."
Andrew Edwards hit a hat-trick, Gehan Karunanayake grabbed two and Peter Morgan scored the other.
They now go through to the South East Region finals to represent Sussex against Buckinghamshire, Kent and Middlesex at High Wycombe on March 3.
Miller's son Ed was the goal hero from a penalty corner as Eastbourne College under-14s retained their title by pipping Ardingly College 1-0 to seal their regional date at Canterbury.
Miller senior said: "I was proud of him and his mum was even there to watch him. He was strong, fit and hard-working. It could have been 5-0 with the number of chances created."
Brighton College gained revenge for their under-18s final loss last year when they came back to defeat Eastbourne 2-1 in a clash which saw three players sin-binned.
James Farley put Eastbourne in front but England international Stephen Edmonds, with a reverse stick strike from a short corner, and Simon Acott, following a solo run, ensured Brighton lifted the title for the first time.
Coach Peter Smales, who has been assisted by England senior international Ben Barnes, said: "I am delighted for the side to be the first from our college to win the cup. It was a terrific performance, a real blood and guts effort.
"It was never a nasty match and the sin-bins were for clumsy tackles more than anything else.
"I am proud of the team as they were quite young. Three players were under-15s, including goalkeeper Richard Bell, who was outstanding, Richard Young and David Chanter.
"Richard couldn't stay and celebrate because he is a Sussex and England cricketer and had a training session with the county to go to. He is very enthusiastic about his sport.
"We also had three under-16 lads in Chris Carter, Ed Doyne-Ditmas and Michael Treacy. Everyone played their part."
Miller congratulated Brighton College.
He said: "They have a strong backbone to the side which they hadn't had in the past. But I am cheesed off we didn't get the third title. I am greedy.
"Their goalkeeper was a star. He was magic and Stephen's goal was superb. But I felt a disallowed goal, which would have made it 2-2, should have been allowed."
Brighton College are at Seaford College in the regional round.
Squads - Eastbourne College, Under-14: Matthew Naracott (GK), William Hylton, Harry Dent, Edward Barnes, George Burrough, Edward Miller (captain), Andrew Gillies, Sam Edwards, Harry Ogden, Tom Davies, Christian Kimber. Subs: Charles Compton, Andrew Morgan, Alex Coales.
Under-16s: Jonathan Dodds (GK and captain), Peter Morgan, Aaron Ryde, Robert Stewart, Paul Bradford, Daniel Loman, James Hamblyn, Gihan Karunanayake, Andrew Edwards, Jordan Toy, Lewes Winter.
Under-18: Furo Adoki (GK), Jeremy Langridge, Ivan Dovey ,James Shore, Owain Davies, Geoffrey Campbell, Nicholas Brown, Matthew Adcock, Howard Hassen, Samuel Cooke, James Farley, Adam Smith, Alex Down (captain), Scott Mattingly, Harry Rimmer, Nicholas Reid.
Brighton College under-18s: David Bell, (GK), Stuart Woodbridge, Ed Doyne-Ditmas, Alex Thorpe, Chris Carter, Simon Acott, Steve Edmonds (captain), Richard Young, Ian Tomlin, Malcolm Waller, Michael Treacy, Kit Barker, David Chanter, Giles Stubbs, Richard Kerslake, Tom Garland.
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