Mackenzie High School is declared the overall winner of the 2025–2026 J.O.F. Haynes Memorial Secondary Schools Debating Competition. Multiple reports say the contest is held to encourage intellectual growth, public speaking and analytical thinking among secondary school students, and it is named after J.O.F. Haynes, a Guyanese legal figure and advocate for education. The grand finale takes place on June 12, 2026, at the St. Rose’s High School Auditorium. In the final round, Mackenzie High School competes against Three Miles Secondary School from Region 7. After the conclusion of the debate at the auditorium, Mackenzie High School is awarded overall victory for the season. The Guyana Chronicle also describes the win as occurring during the competition’s final event on Friday, without adding further details beyond the school’s designation as winners. Overall, sources agree on the winning school, the event’s name and purpose, the venue and date of the grand finale, and the opponent faced in the final round.