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Tree Management

The Toronto Catholic District School Board is committed to environmental responsibility and the protection and conservation of the environment. It recognizes the importance of maintaining and cultivating diverse and healthy habitat to the health and well-being of our environment, as well as our social and economic welfare. In 2013, the TCDSB began to inventory all trees on school properties. While all trees were being inventoried, an analysis was conducted to determine the quantity, quality, health, and risk level of the trees.

During the inventory of trees on TCDSB properties, it was discovered that the Emerald Ash Borer Beatle had infested many trees.  The Emerald Ash Borer (EAB) is a non-native pest, discovered in Detroit and Windsor areas in 2002. This species attacks all True Ash trees (not Mountain Ash) by feeding on leaves from June to August. The larvae feed on inner bark, cutting off the water and nutrient flow to the tree.  Once an infestation occurs it can naturally spread up to 20km per year. It primarily spreads by people transporting firewood or other wood products with bark attached thereby increasing its range and infesting other areas. It is estimated that the EAB will infect and kill all of the trees in the Greater Toronto Area in approximately 5 years.

In 2014, the Toronto Catholic District School Board began a long-term maintenance and treatment program of all the trees on Board property.

Over the last several years the Toronto Catholic District School began a tree planting program on Board sites. Since that time, we have planted over 1015 new trees.​

Tree Planting Program

If you wish to request a tree to be planted please visit the TCDSB Tree Planting Program Website,

If you have any question or concerns, please email them to us at​​​


Use the Government of Ontario Tree Atlas to learn which trees are native to Ontario and the best species to plant where you live. Click on the map as close as possible to your intended planting site. Government of Ontario - Tree Atlas