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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.

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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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Trinity School Open House, Thursday, July 10, 2025!

New Lenox, IL

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New Lenox, IL
1361 East Lincoln Highway
Don't miss your chance to attend the Trinity School open house on Thursday, July 10, 2025, from 10:00 am to 12:00 pm. This is the school's 75th Anniversary!
 
Founded in 1950, Trinity School remains a vital support for students with intellectual and developmental disabilities between the ages of 3 and 21. The school is accredited by the Illinois State Board of Education. When a school district is unable to provide appropriate services for their students, Trinity School offers an alternative.
 
You will have the opportunity to tour the school, meet with the principal, Stacey Thompson, talk with teachers, teacher assistants, and service providers, visit classrooms, and meet our students.
 
Trinity School is located at 1361 East Lincoln Highway in New Lenox, Illinois, 60451. Snacks and refreshments will be served.
 
We look forward to see you!