Trusted Educational Evaluations

Comprehensive Service Disciplines

Independent evaluations designed to uncover each student’s full potential — academic, behavioral, and developmental.

Data-Driven, Compassionate Assessments

Why Choose CAS

We blend precision with empathy — ensuring accurate, defensible evaluations that truly serve the student’s needs.

Led by Donald Ghrist, LEP

25+ Years of Expertise

Guiding IEP teams with clarity, compassion, and a focus on student growth and success.

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Our Evaluation Disciplines

Comprehensive Assessment Services (CAS) provides independent evaluations across multiple disciplines, ensuring every student's strengths and needs are accurately identified. Each assessment is conducted by a licensed specialist with expertise in their field.

Independent educational evaluations helping children grow in California

Psychoeducational Evaluations

Examines academic achievement, learning styles, and processing skills to guide effective educational planning.

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Speech & Language (SLP)

Assesses articulation, comprehension, and expressive language to improve communication and participation.

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Occupational Therapy (OT)

Focuses on fine motor coordination, handwriting, and sensory integration for classroom success.

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Physical Therapy (PT)

Evaluates balance, movement, and mobility to ensure physical access and comfort within the learning environment.

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Adapted PE (APE)

Supports safe participation in physical education through coordination and motor skill assessments.

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Why Choose Comprehensive Assessment Services

Families and school districts trust CAS for accurate, objective, and compassionate assessments. Our approach combines evidence-based practice with deep educational experience to ensure every report supports meaningful outcomes.

CAS helping children with disabilities through comprehensive IEEs

Independent Objectivity

Our evaluators serve only the student’s interests — offering unbiased, data-driven insights.

Professional Integrity

CAS upholds state and federal guidelines with transparency, respect, and collaboration.

Student-Centered Reports

Each recommendation focuses on supporting individual learning needs and long-term growth.

Comprehensive Expertise

From academics to behavior and communication — we cover every discipline a student may need.

Our Evaluation Process

CAS follows a clear and efficient evaluation process to ensure accuracy and timeliness. Every assessment is completed by licensed professionals and includes thorough analysis, testing, and feedback.

  • Step 1: Request submission and agreement confirmation.
  • Step 2: Testing, interviews, and data review by qualified specialists.
  • Step 3: Comprehensive report delivered within 30 days of final testing.
CAS evaluation process and reading programs

Turnaround Time: Most reports are completed within 30 days — ensuring clarity and progress for IEP teams.

Frequently Asked Questions

Who can request an IEE?

Parents or guardians may request an independent evaluation when they disagree with a school district’s results.

How are CAS evaluations conducted?

Each assessment includes standardized testing, observation, and record review by credentialed professionals.

Are evaluations accepted by districts?

Yes — CAS assessments comply with state and federal standards and are accepted by all California districts.

How long does the process take?

Typically 30 days or less from the final testing date to report delivery.

Ready to Begin?

Start your independent educational evaluation request today. CAS will guide you through each step with clarity and compassion.

CAS intake and evaluation process speech therapy image