The EDI is a short questionnaire completed by kindergarten teachers across Canada and internationally which measures children’s ability to meet age appropriate developmental expectations.

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News & Events

EDI included as measure of Southwestern Ontario health

Southwestern Public Health, the organization that covers Oxford, Elgin, and St. Thomas, has released a new report on the current health status of people in the region.

Results from 2018 AEDC collection released

A report on the developmental health outcomes for nearly 309,000 Australian children has been released by the Australian government.

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Latest Reports

Does the built environment contribute to children’s development?

April 20, 2018

The Offord Centre’s Canadian Neighbourhoods and Early Child Development (CanNECD) study attempts to determine the role neighbourhoods play in children’s development. In some Canadian neighbourhoods only 2% of children are struggling, while in others roughly 75% struggle. The CanNECD study focuses largely on the socioeconomic factors that contribute to this disparity.

The roles of anxious and prosocial behavior in early academic performance

March 14, 2018

Social-emotional skills play an important role in a child’s ability to succeed in school. These skills help with how a child adjusts to kindergarten and can help facilitate learning. New research from Australia focuses on two specific types of social-emotional behaviour to see the role they play in later academic achievement.

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Completed EDIs

The EDI information collected for five-year-old children in Canada since 2004

12 of 13

Provinces & territories

Canadian provinces and territories EDI has been implemented in


Of children vulnerable

The number of children vulnerable in at least one developmental domain





The number of children vulnerable in at least one developmental domain by gender

Global Reach

Countries in which the EDI
has been implemented: