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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 Apple Valley & the High Desert

Independent Educational Evaluations (IEE)

Clear, objective, and evidence-based assessments for families and school districts in Apple Valley.

About CAS IEE Services Start an IEE Request

For Every Learner

Objective Evaluations Students Deserve

Helping Apple Valley IEP teams understand academic, behavioral, and communication needs.

Why Choose CAS? Our Process IEE FAQs

25+ Years Experience

Trusted IEE Provider in Apple Valley

Led by Donald Ghrist, LEP — delivering high-quality Psychoeducational, OT, SLP, PT, and APE evaluations.

IEE Disciplines Contact Begin Now

Independent Educational Evaluations in Apple Valley, CA

CAS provides objective, research-based Independent Educational Evaluations for Apple Valley families, IEP teams, and school districts. Our evaluations are designed to offer clarity, accuracy, and support for informed educational decision-making.

Objective & Unbiased IEEs

Our assessments provide an independent, neutral perspective free from district influence, offering a clearer understanding of a student’s academic, behavioral, and functional needs.

Serving AVUSD & Local SELPAs

CAS supports families and IEP teams within the Apple Valley Unified School District and surrounding High Desert SELPAs, ensuring evaluations meet California educational and legal standards.

25+ Years of Assessment Expertise

Led by Donald Ghrist, LEP, CAS provides evaluations across Psychoeducational, OT, PT, SLP, and APE domains with a focus on clarity, accuracy, and student advocacy.

Types of Independent Educational Evaluations Offered in Apple Valley

CAS provides a comprehensive range of Independent Educational Evaluations (IEEs) for families, IEP teams, and school districts throughout Apple Valley and the High Desert. Each assessment is evidence-based, objective, and focused on supporting accurate, student-centered educational planning.

Psychoeducational IEEs

Comprehensive assessment of cognition, academic skills, processing, executive functioning, attention, social-emotional development, and learning profiles.

Speech & Language IEEs (SLP)

Evaluation of articulation, expressive and receptive language, pragmatics, fluency, auditory processing, and communication skills that affect access to curriculum.

Occupational Therapy IEEs (OT)

Assessment of sensory processing, fine motor development, handwriting, self-regulation, and functional school-based skills.

Physical Therapy IEEs (PT)

Evaluation of mobility, strength, endurance, range of motion, balance, gait, posture, and physical access within the school environment.

Adaptive Physical Education IEEs (APE)

Assessments of motor development, coordination, physical fitness, functional mobility, and access to PE curriculum.

Functional Behavior Assessments (FBA)

Behavior evaluations including Functional Behavior Assessments (FBA), develop

Why Families in Apple Valley Choose CAS

Parents and districts in Apple Valley trust CAS because we provide objective, student-centered, legally compliant IEEs backed by 25+ years of experience. Every evaluation is designed to ensure the IEP team has the clarity needed to make the best decisions for the student.

✔ 25+ Years of Specialized Experience

Led by Donald Ghrist, LEP — a seasoned clinician who has evaluated thousands of students across California in public, private, and nonpublic settings.

✔ Objective, Legally Defensible IEEs

Our evaluations meet all state and federal requirements, supporting families and IEP teams with evidence-based recommendations that hold up in meetings and hearings.

✔ Clear, Easy-to-Understand Reports

We translate complex data into meaningful, practical insights so that parents, administrators, and educators can make informed decisions with confidence.

✔ Collaborative With AVUSD & High Desert Districts

CAS works smoothly with Apple Valley USD, Victor Valley Union HSD, Hesperia USD, and other High Desert IEP teams to ensure timely evaluations.

✔ Fast Turnaround Time

With a streamlined process, we deliver high-quality IEEs quickly—helping families avoid unnecessary delays in services, supports, and IEP decisions.

✔ Dedicated to Student Success

Every recommendation is crafted to support the student’s long-term academic, behavioral, communication, and emotional growth.

Independent Educational Evaluations in Apple Valley, CA

Comprehensive Assessment Services (CAS) provides high-quality, unbiased Independent Educational Evaluations (IEEs) for families and districts across Apple Valley and the High Desert. Whether a parent requests an IEE after disagreeing with a district’s assessment or an IEP team needs a second opinion, CAS delivers accurate, research-backed evaluations that support student success.

Objective & Unbiased IEEs

We provide truly independent evaluations—free from district influence—ensuring accurate insights into a student’s strengths, challenges, and educational needs.

Serving AVUSD & High Desert Districts

CAS supports families within the Apple Valley Unified School District (AVUSD), Victor Valley Union HSD, Hesperia USD, and other High Desert SELPAs—coordinating directly with IEP teams to ensure clarity and compliance.

25+ Years of Clinical Expertise

Led by Donald Ghrist, LEP, CAS brings extensive experience across Psychoeducational, Speech & Language, OT, PT, and APE evaluations—delivering objective, legally defensible assessments that support student advocacy.

Our IEE Process for Apple Valley Families

CAS follows a clear, student-centered process to ensure every Independent Educational Evaluation (IEE) in Apple Valley is completed with accuracy, objectivity, and full compliance with state and federal guidelines. Here’s what families and IEP teams can expect:

1️⃣ Referral or District Approval

Once the Apple Valley Unified School District (AVUSD) or another High Desert district authorizes the IEE, CAS receives the referral and contacts the family to begin scheduling.

2️⃣ Intake & Background Review

Families complete a brief intake form, and our team reviews existing IEPs, assessments, progress reports, and teacher input to fully understand the student’s needs before testing begins.

3️⃣ Comprehensive Assessment

The evaluator conducts standardized testing, observations, interviews, and additional data collection using evidence-based tools tailored to the student.

4️⃣ Report Preparation & Findings

CAS prepares a clear, detailed, and legally defensible report that outlines test results, interpretations, and actionable recommendations aligned with educational benefit.

5️⃣ IEP Meeting & Presentation of Results

The evaluator participates in the IEP meeting (virtual or in-person when available) to explain results, answer questions, and support the team in understanding next steps.

6️⃣ Support After the IEE

After the evaluation, CAS remains available to families and districts to ensure clarity, support implementation, and answer any follow-up questions.

Schools We Serve in Apple Valley (AVUSD)

CAS provides Independent Educational Evaluations (IEEs) to students across the Apple Valley Unified School District (AVUSD) and surrounding High Desert regions. We collaborate with administrators, school psychologists, and service providers to ensure each evaluation supports the student's educational success.

Rio Vista School of Applied Learning

Elementary • Apple Valley, CA

Sandia Elementary School

Elementary • Apple Valley, CA

Sitting Bull Academy

TK–8 • Apple Valley, CA

Apple Valley High School

High School • Apple Valley, CA

Granite Hills High School

High School • Apple Valley, CA

Vanguard Preparatory School

Charter • TK–12 • Apple Valley, CA

Phoenix Academy

Alternative Education • Apple Valley, CA

Academy for Academic Excellence

Charter • TK–12 • Apple Valley, CA

CAS proudly serves **all AVUSD schools**, local charters, alternative programs, and neighboring High Desert districts — ensuring equitable, objective IEEs for every student who needs one.

Apple Valley IEE FAQs

Here are the most common questions families and districts in Apple Valley (AVUSD) ask about Independent Educational Evaluations (IEEs).

1. How do I request an IEE in Apple Valley Unified School District (AVUSD)?

Parents can request an IEE by submitting a written request to their school or AVUSD’s Special Education department. CAS helps families understand their rights and can guide them through the process if needed.

2. Does CAS work directly with AVUSD schools?

Yes. CAS regularly collaborates with Apple Valley schools—including Rio Vista, Sitting Bull Academy, Sandia Elementary, and Apple Valley High School—to ensure clear communication and legally compliant evaluations.

3. Are IEEs free for Apple Valley families?

If AVUSD agrees to fund the IEE—often when the district’s previous evaluation does not meet requirements—the assessment is covered at public expense. Families may also choose to self-fund an IEE if they prefer.

4. How long does an IEE take in Apple Valley?

CAS generally completes IEEs within 30 days, ensuring families and IEP teams receive timely, actionable results. We prioritize scheduling for Apple Valley and other High Desert districts.

5. What types of IEEs does CAS provide in Apple Valley?

CAS provides Psychoeducational, Speech & Language (SLP), Occupational Therapy (OT), Physical Therapy (PT), Adaptive PE (APE), Functional Behavior Assessments (FBA), and multidisciplinary IEEs. All evaluations are tailored to each student and meet California and federal guidelines.

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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