Johnson scored 5973 points to take victory over Calabar’s Dishaun Lamb who scored 5521 points.
Shamar Coke of Excelsior took the bronze medal with his 10-event score of 4962 points.
Johnson’s victory saw KC take the lead after 18 completed finals with 133 points to Jamaica College’s 124.5.
Heading into day four, Calabar has 80 points while STETHS are fourth with 80 points, many of them coming from their sweep of the 100m events. St Jago completes the top-five with 56 points.
Meanwhile, after 23 finals, Edwin Allen continues to lead the girls with 184 points. St Jago comes next with 158 with Hydel, Holmwood and Wolmer’s following with 132, 63.50 and 45 points, respectively.
STETHS reigned supreme in the 100m events with Sachin Dennis capping off the dominance with an impressive win the Class I final. Dennis, who has seemingly recovered from a long-term injury and rumours about a possible move to Bahrain, stormed to victory in 10.53s over a fast-finishing Antonio Watson of Petersfield High who clocked 10.58 for second. KC’s Bouwaghie Nkrumie was third 10.65.
With the victory, Dennis has now won the 100m title in classes 3, 2 and 1.
Earlier, his schoolmate Orlando Wint won the Class 2 title in 10.76 in a STETHS 1-3 as Javorne Dunkley was third in 11.01. Jamaica College’s Hector Benjamin won the silver medal in 10.79.
It all began when Tramaine Todd raced to a comfortable victory in the Class 3 sprint in 11.03. KC’s Nicardo Johnson ran 11.28 for second while Vere’s Malik Carridice was third in 11.40.
No one team dominated the girls’ blue-ribbon sprints but there was some drama in the Class 2 event when medal favourite Tia Clayton of Edwin Allen was disqualified for a false start. With tears in her eyes, her twin sister Tina stormed to a record-breaking victory in 11.38s.
Hydel’s Kerrica Hill and Alana Reid took second and third in 11.61 and 11.65, respectively.
Edwin Allen’s Brandy Hall won the Class I title in 11.72 over Shenese Walker of Hydel, who clocked 11.86. Holmwood Technical’s Shashieka Steele was third in 11.88.
Rusea’s Lavanga Williams won the Class 3 event in 12.18 seconds leaving Hydel’s Shemonique Hazel in her wake. The latter ran 12.37 with Bryana Davidson of St Jago finishing third in 12.47.
Theianna-Lee Terrelonge became the Class 4 champion when she won in 12.53.r Poshanna-Lee Blake of St Jago was second in 12.74. Marria Crossfield of Vere ran 12.85 for third.
Chevonne Hall of Edwin Allen won the Class 1 Boys event clocking 3:59.70. Kingston College’s Aron Tanui ran him closing finishing in 3:59.86 for the silver medal. Jamaica College’s Handal Roban won the bronze medal, crossing the finish line in 4:01.48.
Jamaica College enjoyed 1-2 finish in the Class 2 race that was won by Khandale Frue in 4:12.16. Kemarrio Bygrave ran 4:13.26 to claim the silver medal.
Alex Taylor of St Jago clocked 4:14.60 for third and the bronze medal.
Jamaica College also won the Class 3 1500 when Tyrone Lawson outclassed the field to cross the finish line in 4:16.71. Maggotty’s Charehon Connally was more than five seconds back in 4:21.84 but still won the silver medal.
Calabar’s Rhsaune Johnson ran 4:29.35 to take the bronze medal.
Among the girls, Edwin Allen picked up points in all three races to maintain a comfortable buffer between themselves and their fiercest challenges, St. Jago, who won the Class 1 event in the form of Sancia Smith.
Smith took the gold medal when she ran 4:44.24. Her teammate Aleshia Douglas ran 4:49.20 to win the silver medal. However, Edwin Allen’s Jessica McLean clocked 4;49.68 for the bronze medal.
Edwin Allen collected even more points in the Class 2 event that Rickeisha Simms won in 4:36.62. Holmwood Technical’s Jodyann Mitchell was second in 4:42.69 with Shone Walters of St. Mary winning the bronze medal with her time of 4:43.60.
Holmwood’s Andrene Peart won the Class 3 title when she outran her opponents to win in 4:50.36. Cindy Rose, also from Holmwood took second place when she crossed in 4:52.23 with St Jago’s Sushana Johnson running 4:54.82 for the bronze medal.
The competition was just as fierce in the field where Jaidi James of Jamaica College won the high jump with a clearance of 1.86. Edward Sterling of Wolmer’s soared over 1.80m for second place with KC’s Roshawn Onfroy taking the bronze medal with his best effort of 1.80m.
Meantime, Edwin Allen’s Serena Cole won the Class 2 long jump after leaping out to a distance of 6.10m. Aaliyah Foster of Mount Alvernia won the silver medal with her jump of 5.90m. St Jago’s Kay-Lagay Clarke leapt 5.76m to win the bronze medal.
St Jago’s Latavia Galloway won the javelin competition throwing 41.95m while Edwin Allen’s Shenelia Williams threw 37.02 for second place. Jamora Alves of St Jago threw 35.92m for the bronze.