Naggo Head are the primary school champions for the seventh time after successfully defending their crown at the 36th INSPORTS Primary Schools Athletic Championships at the National Stadium yesterday.The Portmore-based institution, coached by Floyd Coke, is now the second most successful team in the history of the competition behind 10-time champions Waterford after amassing 228 points.The defending champions entered the fourth and final day a point behind Black River Primary with 28 points, but moved to the top after Quaycian Davis took the Class Two girls 300 metres title in record fashion, capturing the gold in 42.69 seconds.In fact, the first three finishers all dipped below the 44.41 seconds set by Nataliah Whyte in 2008, with Davis upstaging pre-race favourite Somoi Russell of St Aloysius. Silver went to St John’s Assaneya Tomlin (42.89), while Russell copped the bronze in 43.67.LANE VIOLATIONMilton Luckain of Spanish Town Primary clocked 41.10 to smash Christopher Taylor’s 300m record of 41.81 in the Class Two boys 300m final, but was later disqualified for a lane violation. Ronaldo Reid of St Jude’s Primary, who also went below the old mark, clocking 41.30, was promoted to the gold, while Southborough’s Kemarrio Bygrave (41.93) got silver, and Matthew Curriah (42.21) pocketed the bronze. Luckain was rewarded, though, in the 200m after finishing second behind Yourie Lawrence of Naggo Head.Brianna Lyston of Southborough Primary broke the record in the Class One girls 100m final, clocking 12.47 seconds to better Sasha-Gaye Cunningham’s 2001 mark of 12.52. Shenequa Vassell (12.97) of Howard Cooke was second, while Yallahs’ Serena Cole was third in 13.12. Lyston completed the sprint double when she decimated the 200m field to win in 25.91 seconds, as Vassell was second in 27.47, followed by Alecia Williams (27.90) of Naggo Head.Top 10: 1. Naggo Head 228; 2. Southborough 117; 3. Rousseau 103; 4. St Richards 88; 5. Black River 84; 6. Lawrence Tavern 81; 7. Greater Portmore 74; 8. Harbour View 71; 9. Kensington 66; 10. Howard Cooke 52.