The tree was donated by The Tree Council and the School's Eco-Interactors chose a Scarlet Willow, otherwise known as a Salix alba Chermisina. It is also called the Coral-bark Willow. It has bright orange twigs in winter when it becomes a conspicuous fine waterside tree reaching a height of 28 m. Collins Tree Guide p164-165 states that, in winter sunlight, the tree is like a giant flame.
Photo from John Simpson