Comprehensive Learning Disability Testing for Dyslexia, Dyscalculia, Dysgraphia, and ADHD
Get clear answers when reading, writing, math, attention, processing, or academic performance concerns are getting in the way. Diagnostic Learning Services provides comprehensive evaluations for adults and K-12 students with documentation families, students, colleges, and schools can use with confidence.
Speak with Diagnostic Learning Services today
Call a trusted team for guidance on Learning Disability Evaluations, including testing for Dyslexia, Dyscalculia, Dysgraphia, and ADHD. We’ll help you understand your evaluation options, documentation needs, and the right next step for your student or situation.
- Comprehensive evaluations backed by 21+ years of expertise
- Trusted documentation accepted by K-12 public and private schools and over 550 colleges and universities
- Personalized guidance for adults, students, and families
Our Impact
Since 2004, Diagnostic Learning Services has delivered comprehensive learning disability and ADHD evaluations across all 50 states and internationally.
Why Comprehensive Learning Disability Testing Matters
A single symptom can point to more than one cause. That is why a whole-picture evaluation is often the best starting point for families, students, and adults who need real answers instead of guesswork.
Experienced, Specialized Team
Since 2004, Diagnostic Learning Services has focused on evaluations that look beyond surface symptoms to identify the real factors affecting academic, workplace, and daily performance.
Trusted, Usable Documentation
Our evaluations are accepted nationwide by K-12 public and private schools, as well as 550+ colleges and universities, giving clients documentation they can use with greater confidence.
Whole-Picture Evaluation Approach
We assess patterns across attention, learning, processing, and performance so the recommendations are clear, individualized, and practical.
Learning Disability Testing Covers More Than One Condition
This umbrella evaluation page brings together the most common reasons adults and families seek testing: dyslexia, dyscalculia, dysgraphia, and ADHD. Each can appear alone, but they can also overlap.
Dyslexia Testing
Dyslexia can affect decoding, word recognition, reading fluency, spelling, and written language. Testing helps explain why reading may feel slow, effortful, or inconsistent.
Dyscalculia Testing
Dyscalculia can affect number sense, math reasoning, calculation, time, money, and quantitative problem-solving. Testing helps identify the processing patterns behind math struggles.
Dysgraphia Testing
Dysgraphia can affect handwriting, spelling, fine motor coordination, written expression, and the ability to get thoughts onto paper clearly and efficiently.
There Is Not One Specific Test
Accurate diagnosis requires more than a quick screener or one isolated score. Diagnostic Learning Services uses a comprehensive, professional evaluation process to understand how attention, learning, and processing challenges interact.
Areas We Evaluate
- Dyslexia and reading-related learning concerns
- Dyscalculia and math-related learning concerns
- Dysgraphia and written expression concerns
- ADHD and executive functioning concerns
- Visual and auditory processing patterns when relevant
Why That Matters
Many concerns can overlap. Attention challenges can look like learning disabilities, and processing weaknesses can affect reading, writing, math, and performance at school or work. Looking at the whole person helps us make more accurate conclusions and clearer next-step guidance.
Adult Learning Disability Testing
Adults often seek testing after years of feeling capable but inconsistent, overwhelmed, slower than expected, or misunderstood in school, college, work, or daily life.
Learning disabilities and ADHD do not disappear in adulthood. Some adults compensate for years until college, graduate school, licensing exams, workplace demands, or daily responsibilities make the underlying challenge harder to manage.
An adult evaluation can help identify whether reading, writing, math, attention, processing speed, memory, or executive functioning patterns are affecting performance. It can also provide documentation for accommodations when appropriate.
Reading and Language
- Slow reading speed
- Needing to reread often
- Difficulty with spelling or written language
- Avoidance of reading-heavy work
Math and Numbers
- Difficulty with mental math
- Stress with money, bills, or calculations
- Trouble estimating time or quantity
- Avoidance of number-heavy tasks
Attention and Executive Function
- Difficulty organizing tasks
- Feeling overwhelmed by deadlines
- Forgetfulness or inconsistent follow-through
- Struggling to start or finish important work
K-12 Learning Disability Testing
Students may need testing when academic struggles continue despite effort, tutoring, classroom support, or strong instruction. A comprehensive evaluation helps identify what kind of support the student actually needs.
When a student is bright but struggling, families often hear that the child needs to try harder, focus more, or practice longer. Sometimes effort is not the issue. The student may be dealing with a learning disability, ADHD, or a processing weakness that requires a different kind of support.
Testing can help clarify whether the concern is related to dyslexia, dyscalculia, dysgraphia, ADHD, processing speed, memory, or another learning-related factor.
Reading and Spelling Concerns
- Difficulty sounding out words
- Slow or labored reading
- Frequent spelling mistakes
- Avoidance of reading or homework
Math and Written Work Concerns
- Difficulty with math facts or number sense
- Trouble solving multi-step problems
- Messy or inconsistent handwriting
- Written work does not reflect true ideas
Attention and School Performance
- Difficulty staying focused
- Disorganization or forgotten assignments
- Trouble following instructions
- Strong potential but inconsistent grades
What the Evaluation Process Helps Clarify
The goal is not just to assign a label. The goal is to understand the pattern behind the struggle and provide practical recommendations for school, college, work, testing accommodations, or treatment planning.
Review the Concern
We look at the client’s history, current symptoms, school or work concerns, prior testing, and the specific reason documentation may be needed.
Evaluate the Whole Profile
Testing may examine academic skills, cognitive patterns, processing speed, attention, executive functioning, memory, and related factors.
Provide Clear Documentation
The evaluation report explains findings, diagnosis when appropriate, and recommendations that can support accommodations and next-step planning.
Who Should Consider Learning Disability Testing?
Testing may be helpful when performance does not match ability, effort, or instruction.
Adults and College Students
- You need documentation for accommodations
- You struggle with reading, writing, math, organization, or attention
- You are preparing for college, graduate school, licensing exams, or workplace demands
- You have always felt capable but inconsistent or overwhelmed
K-12 Students and Families
- Your child is bright but struggling academically
- Reading, writing, math, or focus concerns keep showing up
- Homework causes stress, tears, avoidance, or frustration
- You need clearer answers for school support or accommodations
Get Clear Answers with Learning Disability Testing
If you or your child is struggling with reading, writing, math, attention, organization, or academic performance, Diagnostic Learning Services can help you understand what is really going on and what to do next.


