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Founded in 1950

Trinity was founded by a dedicated group of parents in 1950. It was originally a school for children with developmental disabilities.

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6,800 Children & Adults

Trinity serves more than 6,800 children and adults who have intellectual and/or developmental disabilities or mental health needs.

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35 Communities

Trinity has a presence in 35 Illinois communities in Will, Cook, DuPage, Grundy, Madison, Peoria, Jackson and St. Clair counties.

Trinity Services is one of the largest social services organizations in Illinois, serving over 6,800 people with disabilities and mental health needs. 

In 2025, Trinity Services received the President's Award from The Council on Quality and Leadership, one of only two organizations to receive this prestigious honor.

Our new video, Making a Difference, highlights Trinity's rich history and wide range of essential services. 

To access this video, click Making a Difference.

Giving Tree 2025

Trinity's mission is to provide the highest quality, person-directed services and support to people with disabilities and mental health needs so they may flourish and lead full and abundant lives. 

Trinity Services is grateful for the ongoing support of our generous donors.  If you would like to donate to Trinity Services, go to Donate to Trinity Services

To learn more, contact Sherry Ladislas, Director of Development, at (815) 717-3750, or email Sherry at sladislas@trinityservices.org

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The 24th Annual Conference of QIDPs

Grand Rapids, Michigan

The 24th Annual Conference of Qualified Intellectual Disabilities Professionals (QIDPs), "We Don’t Have To Do What We’ve Always Done," is set for Aug. 6-9 in Grand Rapids, Michigan.
 
The National Association of QIDPs is proud to announce that Lou Radja will facilitate the pre-conference session for the conference. Be More LEAD More - Impact through Leadership is a unique and comprehensive leadership development system that integrates leading self (Be More) and leading others (Lead More) to achieve tremendous results. For more information about the preconference session, click here.

For more information about the conference, click here.