Abstract: A fencing system includes fencing panels that are made of first and second parts jointed together at both edges extending the length of each part. Each part has a U-shaped slot along one edge and another of said edges has an extended ridge, wherein in securing the two parts together, the extended ridge of each part is inserted into the U-shaped slot of the other part. The panels may be mounted vertically or horizontally between two U-shaped rails, extending horizontally, and secured between two fence posts. When the panels are mounted vertically, a panel may be mounted over a fence post, the post extend upward in the panel in a space formed by the two parts of the panel.