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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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Free Estate Planning Webinar

Trinity Services is hosting a free estate planning webinar in partnership with financial experts from Financial Planning Ministry. Attend to gain the resources to complete your revocable living trust or special needs trust for free!

The webinar will take place from 7-8:30 p.m. Tuesday, Oct. 26.

Learn how to create a legacy for your family, loved ones and organizations that are meaningful to you. Get practical guidance for stewardship, and avoid costly probate. Plan ahead, and gain peace of mind.

To register, CLICK HERE, call 815-717-3750 or email Director of Development Sherry Ladislas at sladislas@trinityservices.org.