Comparison of EDI Cycles

Comparison of 6 EDI Cycles

Six cycles of Early Development Instrument (EDI) implementation have now been completed across the province of Ontario in Windsor and Essex County. Cycle 1 was completed between 2004 and 2006, Cycle 2 in the 2007/2008 school year, Cycle 3 in 2011/2012, Cycle 4 in 2014/2015, Cycle 5 in 2017/2018 and Cycle 6 in 2022/2023.

The chart below shows how EDI scores from children in Windsor-Essex compared to the provincial averages.

Windsor-Essex County: Six Cycle EDI Results

Lowest 10% based on the Ontario baseline cut-offs

Vulnerability Summary
Ontario Baseline
(2022–2023)
Cycle 1:  
(2005–2006)
Cycle 2:
(2007–2008)
Cycle 3:  
(2011–2012)
Cycle 4:
(2014–2015)
Cycle 5:
(2017–2018)
Cycle 6:
(2022–2023)
Low on at least 1 Domain
31.1%
23.9%
23.2%
21.1%
24.9%
28.1%
32.6%
Low on 2 or more Domains
14.7%
11.6%
11.5%
9.9%
11.8%
13.5%
16.6%
Communication Skills & 
General Knowledge
10.5%
9.1%
9.2%
7.5%
7.4%
9.1%
11.7%
Emotional Health & Maturity
13.1%
8.6%
8.4%
8.6%
10.7%
10.8%
14.1%
Language & Cognitive Development
6.7%
9.4%
7.6%
6.2%
7.0%
8.9%
8.5%
Physical Health & Well-Being
17.6%
10.9%
11.6%
9.7%
12.6%
15.1%
19.0%
Social Knowledge & Competence
10.1%
7.1%
6.7%
8.3%
8.3%
8.7%
10.7%