ADHD Testing & Assessments for Children & Adults in Philadelphia & Nearby Counties

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At Leonard Educational Evaluations, we provide thorough ADHD testing for children, teens, college students, and adults in the Greater Philadelphia Region and surrounding counties. Our evaluations clarify symptoms, rule out other conditions, and offer documentation for treatment, school services, or testing accommodations for school, college, or the workplace!

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​Did you know that 11.4% of children are diagnosed with ADHD and 6% adults diagnosed with ADHD?  Interestingly, more than half of adults were not diagnosed until after age 18!  

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Signs that an ADHD Evaluation May Be Needed for You or Your Child

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Do you or your child struggle with focus, impulsivity, time management, or organization? Are tasks left unfinished, deadlines missed, or daily routines constantly disrupted? These are more than habits—they may be signs of Attention-Deficit/Hyperactivity Disorder (ADHD). A comprehensive ADHD evaluation can help you understand what’s really going on and what support is needed.

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You or your child may benefit from an ADHD assessment if there are consistent struggles with:

• Sustaining attention or finishing tasks

• Losing track of items, time, or instructions

• Forgetting assignments or deadlines

• Disorganization in school, work, or home life

• Impulsivity, restlessness, or constant interrupting

• Poor time management or procrastination

• Emotional regulation difficulties (e.g., quick frustration or mood swings)

• Academic underperformance despite ability

• Misdiagnosed or untreated symptoms from earlier years

• Suspected ADHD with no formal diagnosis or documentation

If these symptoms are interfering with school, work, relationships, or self-esteem, a proper evaluation can be life-changing.

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What Is an ADHD Evaluation?

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An ADHD evaluation—sometimes called ADD testing or executive functioning assessment—is a structured clinical process that determines whether someone meets diagnostic criteria for ADHD (inattentive, hyperactive-impulsive, or combined type). The evaluation also explores how attention, focus, working memory, and impulse control affect daily functioning.

We assess not only for ADHD, but also for other possible explanations of attention difficulties such as:

• Anxiety

• Depression

• Learning disabilities

• Trauma

• Sleep or medical issues

Accurate diagnosis ensures that treatment and accommodations are truly effective.

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What’s Included in Our ADHD Testing

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Our ADHD evaluations are age-appropriate, evidence-based, and meet guidelines for documentation across school, college, and work settings. Each evaluation may include:

• Clinical interview (with parents for minors)

• Review of developmental, academic, and medical history

• ADHD-specific rating scales

• Executive functioning assessment (organization, working memory, inhibition)

• Cognitive testing 

• Behavioral and emotional screening to rule out or detect coexisting conditions

• Teacher, therapist, or doctor input (if applicable)

• Comprehensive written report with diagnostic conclusions and recommendations

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We also provide documentation suitable for:

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• IEP or 504 Plan services

• Extended time on standardized testing (e.g., SAT, ACT, GRE, LSAT, NBME, MCAT, Bar Exam)

• Academic coaching or therapy referrals

• Workplace or ADA accommodations

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​Why Choose Leonard Educational Evaluations?

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At Leonard Educational Evaluations, we specialize in identifying neurodevelopmental conditions like ADHD through a whole-person approach. We are known for:

• 20+ Years of Experience evaluating children, teens, and adults

• Licensed Psychologists with expertise in ADHD, learning differences, and emotional functioning

• Accurate, Objective Testing—not just a quick checklist or rushed diagnosis

• Clear, Credible Reports used for school supports, therapy, or medication planning

• Fast Turnaround Available—ideal for time-sensitive college or testing accommodations

• In-Person & Secure Telehealth Options across Philadelphia, PA & Online

• Trusted by Pediatricians, Therapists, and Families throughout the region

Whether you’ve lived with ADHD for years or are just beginning to explore it, we provide the clarity and support you need.

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Schedule an ADHD Evaluation Today in Philadelphia

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If you or your child are struggling with attention, focus, or organization, a comprehensive ADHD evaluation can help identify the cause—and guide next steps toward support and success.
Call 267-702-6328 to schedule your personalized ADHD assessment today.