Comprehensive Assessment Services
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All Services IEE Overview Psychoeducational IEE Occupational Therapy IEE Speech & Language IEE Adaptive PE & PT IEE
About
All Resources IEE Basics For Parents For Districts
Testimonials Contact Get Support for Your Child
Home
Services All Services IEE Overview Psychoeducational IEE Occupational Therapy IEE Speech & Language IEE Adaptive PE & PT IEE
About
Resources All Resources IEE Basics For Parents For Districts
Testimonials Contact Get Support for Your Child
Testimonials

What Families & Schools Say About CAS

Comprehensive Assessment Services (CAS) is trusted by parents, districts, and attorneys across California. Here’s what people say about Donald Ghrist, LEP and his Independent Educational Evaluations.

“CAS delivered a comprehensive, unbiased evaluation that gave our IEP team clarity and direction.”

— SELPA Director

“Mr. Ghrist’s evaluation changed the course of services for our student — clear, actionable, and student-centered.”

— Special Education Coordinator

“We finally felt heard. The CAS report ensured our child received appropriate supports.”

— Parent

“Fast, thorough, and defensible findings the IEP team could act on immediately.”

— Principal

“Donald’s professionalism and compassion were evident from start to finish.”

— Parent

“Clear recommendations helped us design a program that worked for the student and staff alike.”

— District Special Ed Team

Ready to Request an IEE?

Join the parents and districts who trust CAS. Contact us today.

Contact CAS Email Donald Call 818-335-5725

Here When You Need Us

If you're feeling unsure about next steps, you're not alone. CAS provides clear, compassionate evaluations that help families understand their child's learning needs and move forward with confidence.

Get Support for Your Child

About CAS

Comprehensive Assessment Services (CAS) provides unbiased Independent Educational Evaluations (IEEs) across California. Led by Donald Ghrist, Licensed Educational Psychologist (LEP #2703), with 25 years of experience serving students, families, and school districts.

Services

  • Independent Educational Evaluation (IEE)
  • Psychoeducational IEE
  • Occupational Therapy IEE
  • Speech & Language IEE
  • Adaptive PE & Physical Therapy IEE

Resources

  • All Resources
  • IEE Basics
  • For Parents
  • For Districts
  • Parent Rights Under IDEA
  • District Guide to IEEs

Contact

  • 📞 (818) 335-5725
  • ✉️ contact@comprehensiveassessmentservices.com
  • General Contact Form
  • Start IEE Intake
  • Client & District Testimonials
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