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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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5,800 Children & Adults

Trinity serves more than 5,800 children and adults who have intellectual and/or developmental disabilities or mental health needs.

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32 Communities

Trinity has a presence in 32 Illinois communities in Will, Cook, DuPage, Grundy, Madison, Peoria, Jackson and St. Clair counties.

Trinity Services Celebrates 75 Years of Helping People Flourish!

 

This year marks the 75th Anniversary of Trinity Services, one of the largest human service organizations in Illinois. 

Founded in 1950, Trinity Services has become a nationally recognized leader in the fields of developmental disabilities and behavioral health.  

"This is a very special time for Trinity Services," said Thane Dykstra, Ph.D., President and CEO.  "We look forward to celebrating with our friends, families, and local communities that have been instrumental to our continued success."

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The yearlong celebration features several fundraising events, including the Tom O'Reilly golf tournament at Ruffled Feathers Golf Club on May 20; Trinity Triumph 5K Walk and Run at the Village Commons on June 24; Better Together Dinner Dance and Auction at DiNolfo's on September 18, and An Evening of Holiday Music and Concert Gala at Butterfield Country Club on December 5.

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!