Thurston, St Edmundsbury and St James Middle schools were among those to win gold at the Suffolk Sainsbury’s School Games Festival.
The largest multi-sport school event in the county’s history saw more than 1,200 children compete in Bury St Edmunds on Friday.
Thurston edged out King Edwards to take home the first place prize in the Under-16s squash, while St Edmundsbury beat Babergh to win the Panathlon.
St James Middle were victorious in the under-11s swimming, with Needham Market Middle finishing 11th.
Westley Middle and Beyton Middle came second and third in the Netball competition, while IES Breckland pipped Mildenhall College to the bronze medal in the under-13s mixed handball event.
In the super-sixes golf, King Edward VI finished second behind Sir John Leman, and St Benedicts and Stowmarket High took home silver and bronze in the Under-14s T20 cricket.
Elsewhere, Westley A finished fourth ahead of Beyton (sixth), Westley B (eighth) and Combs Middle (15th) in the Under-11s Quad Kids athletics event which was won by Brittania A.
Chilton came fourth in the Year 3 and 4 Key Steps gymnastics in front of Sebert Wood (eighth), St Louis Catholic Academy (12th) and Westgate (14th).
Westley Middle secured two fourth-place finishes in the Under-13s Super-8s athletics, with Beyton (fifth) and Ixworth Middle (ninth) inside the top 10 places of the girls’ competition.
And in the Years 3 and 4 mini-tennis, Wortham (second) and St Edmunds (third) finished on the podium ahead of Exning in fourth.
Suffolk Sport’s Children and Young People Officer, James Payne, said: “We had a fantastic day and we were really pleased with how the competition went.
“There we lots of smiling happy youngsters taking part and volunteering and, along with the opening ceremony, it was an excellent celebration of school sport in Suffolk.”