Comprehensive Assessment Services
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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

Serving All of California

Locations We Serve

Independent Educational Evaluations available in communities across the High Desert, Inland Empire, Los Angeles County, and beyond.

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High Desert • Inland Empire • Los Angeles

Local Support, Statewide Reach

CAS partners with families and districts to deliver accurate, objective evaluations accepted statewide.

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25+ Years of Experience

Trusted Across California

Psych, SLP, OT, PT, and APE evaluations delivered with clinical accuracy and compassion.

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Independent Educational Evaluations Across the High Desert

Comprehensive Assessment Services (CAS) proudly provides Independent Educational Evaluations (IEEs) for families and school districts throughout the High Desert. From Apple Valley to Victorville, Hesperia, Adelanto, and surrounding communities, CAS supports students with accurate, objective, and student-centered assessments.

High Desert Locations We Serve

Apple Valley

Primary High Desert Service Area

Victorville

Victor Valley Region

Hesperia

Southern High Desert

Adelanto

Northwestern High Desert

Lucerne Valley

Rural High Desert

Apple Valley — Our Primary High Desert Service Area

Apple Valley serves as a central hub for CAS’s High Desert evaluations, with frequent requests from Apple Valley Unified School District (AVUSD) and surrounding school systems. CAS provides detailed, evidence-based assessments across psychoeducational, SLP, OT, PT, and APE domains.

Common IEE Requests in Apple Valley:

  • Psychoeducational Evaluations
  • Speech & Language (SLP) IEEs
  • Occupational Therapy (OT) Assessments
  • Physical Therapy (PT) Evaluations
  • Adaptive Physical Education (APE) Eligibility Reviews

Why High Desert Families Request Independent Educational Evaluations

Parents often seek a second opinion to ensure their child’s needs are fully understood. CAS provides objective assessments accepted throughout San Bernardino County and across California.

Clarifying Eligibility

When families feel unsure about the district’s findings.

Specialized Areas

SLP, OT, PT, APE & psychoeducational evaluations conducted by experts.

Objective & Comprehensive

Independent findings help IEP teams make informed decisions.

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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