The dressage offered level 1-2 classes which Havelock North High School Blue team won, seven points clear of Nga Tawa Gold. Woodford Maroon and Woodford Black were third equal on 20 points.
To decide the overall winners, dressage and showjumping points were added. Woodford Black pipped Havelock North Blue by a point.
Gisborne Girls' Red Woodford Maroon were fourth.
Student equestrian leaders Lucy McHugh, Willa Aitken and Jessie McNeil organised the event with help from other Woodford riders and their parents.
Individual champions: Overall Tessa Wallace (Woodford); 110cm showjumping champion Matt Irvin (Lindisfarne College), 95cm showjumping champion Wallace; 80cm showjumping champion Tess Gordon (Havelock).