A computer system allowing Ontario's children's aid societies to share information – a key recommendation from a coroner's inquest into the death of five-year-old Jeffrey Baldwin – won't be fully operational until 2020.

By then nearly two decades will have passed since Jeffrey starved to death at the hands of his grandparents, who the Catholic Children's Aid Society tasked with caring for the boy.

The coroner's inquest into his death didn't get underway until 2013, when the grandparents exhausted appeals of their convictions for second-degree murder. But among the more than 100 recommendations the coroner's jury issued one year ago was an urgent call for the government to fully implement the Child Protection Information Network by February 2016.

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The Ministry of Children and Youth Services submitted its responses to the jury recommendations this week, saying that while the development and testing of CPIN is complete, it has so far only been rolled out to three of the 46 children's aid societies, with two more expected to be using it by the end of March.

One year ago the ministry said it expected seven agencies to be using the system by the summer of 2014.

"The ministry has established thorough processes and automated system tools to complete data migration, but the work is complex, time consuming and requires accuracy," the ministry wrote in its responses.

Aside from a connecting IT system, the remaining children's aid societies are not interconnected and can't electronically share case information. The government started looking for a software vendor in 2010, and the implementation process is now expected to last until 2020.

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A briefing note prepared for Minister Tracy MacCharles and obtained by The Canadian Press under a freedom-of-information request notes that the Baldwin inquest recommendation wasn't the first plea for the integrated system to be implemented.

"Over the past 10 years, the auditor general of Ontario, the child mortality task force and the coroner's office, through recommendations from inquests into the death of children in care, have called for a common information system to enhance the safety of children," the briefing note says.

Spending on the initial stage of CPIN has come in about $1 million less than the budget of $124 million over four years, according to the note.

The jury recommended sweeping changes to the child welfare system after the inquest heard that Jeffrey was a healthy baby when he and his siblings were placed in the care of their grandparents. When he died of starvation just shy of his sixth birthday his weight was that of a 10-month-old infant.

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The inquest heard that Jeffrey's grandparents, Elva Bottineau and Norman Kidman, had both previously been convicted of abusing children, but due to inadequate record checks, poor information sharing between different children's aid societies and records under several different names for the grandmother no one discovered how dangerous the pair was until after Jeffrey died.

Standards surrounding so-called kinship care have since changed, but the jury's recommendations suggested there is much more to be done:

The ministry said it is reviewing the Child and Family Services Act, expected to be complete in April, with an eye to creating new rules for the collection and disclosure of CAS records as well as information sharing. It also said that Ontario's child protection standards have been "re-drafted" and will be released this year.