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Diagnostic Evaluation Center (DEC)

Student Therapy session DEC 1

Making the O-School's unique therapeutic and educational lens available to students and families in need. 

The Diagnostic and Evaluation Center (DEC) serves children and adolescents, ages 5 to 21, with the diagnosis and evaluation of neuropsychological, psychoeducational, and developmental needs, making the O-School's unique educational and clinical lens available to any family or student in need. The DEC's team includes experts in the area of psychology, speech-language pathology, occupational therapy, and reading.

The DEC provides a high-quality evaluation that answers key questions and informs good decisions about a child or adolescent’s treatment and success.

Schedule an Evaluation Now 

Specific services provided include:

  • IEP (Individualized Education Plan) Re-Evaluations
  • Autism Spectrum Disorder
  • ADHD
  • Depressive and Anxiety Disorders
  • Diagnostic Evaluations and Diagnostic Updates
  • Psychological and Neuropsychological Evaluations
  • Learning Disorders
  • Evaluations for Disability Accommodations
  • Evaluations for Gifted and Twice Exceptional (2E) Learners
  • Independent Educational Evaluations
  • Determination of Social Security Insurance Benefits.

Because the DEC understands that an accurate diagnostic picture is often just the beginning for students and families, its team of skilled evaluators also provide ongoing advocacy and support throughout the entire process, including consultation and communication with parents, teachers, and treatment providers navigating IEP meeting and placement decisions. For more information apply using the form below, email at ,  or call 773-420-2900.

Diagnostic Evaluation Center


Child Namerequired
First Name
Last Name
Parent/Guardian Namerequired
First Name
Last Name
Format ########## (Must contain only numbers)
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Must contain only numbers
Please mark any diagnoses that are applicable to your child:
The Sonia Shankman Orthogenic School takes confidentiality seriously. Please note once a submission is made to the DEC at The Sonia Shankman School, an applicant’s information and records submitted as part of the application will be destroyed, and no confidential records will be maintained, stored, or redisclosed by the Sonia Shankman School. 

For more information about the Diagnostic Evaluation Center Program, please contact:

Karen Fried

Clinical Director

For admissions inquiries, please contact:

Kristin Friesen

Director of Admissions