How to Score the Vanderbilt ADHD Rating Scale: A Simple Guide for Parents and Teachers

If you are trying to understand scoring the Vanderbilt ADHD Rating Scale, you probably do not want a dense clinical manual. You want to know: which answers count, how many symptoms matter, what to do with the performance section, and what the result might mean.

That is what this page is for. It keeps the official AAP scoring rules, but explains them in plain language. If you want the broader background on where the scale came from, you can also read our full Vanderbilt ADHD Rating Scale guide.

The 30-Second Answer

Here is the simplest version of how to score the Vanderbilt:

• For the 18 ADHD symptom questions, a score of 2 or 3 counts as a symptom
• For the performance questions, a score of 4 or 5 means there is a meaningful problem
• A form usually supports an ADHD pattern only when there are:
  • enough symptoms
  • and enough real-life impairment

So this is not just about counting symptoms. The scale also asks whether the child is struggling in school, behavior, or daily functioning.

First: Do Not Try to Make One Giant Total Score

This is the part that confuses a lot of people.

The Vanderbilt is not best scored as one big number. Instead, think of it as two separate checks:

1. Symptom count
2. Functioning / impairment

That is why someone can have several high symptom ratings and still not clearly screen positive on the form.

Step 1: Count the ADHD Symptoms

On the initial Vanderbilt forms:

• Questions 1-9 are for inattention
• Questions 10-18 are for hyperactivity / impulsivity

The answer choices are:

• 0 = never
• 1 = occasionally
• 2 = often
• 3 = very often

When scoring the form, only 2 and 3 count as positive symptoms.

What counts as enough symptoms?

• If 6 or more of questions 1-9 are scored 2 or 3, the form supports an inattentive pattern
• If 6 or more of questions 10-18 are scored 2 or 3, the form supports a hyperactive-impulsive pattern
• If both are true, the form supports a combined pattern

Step 2: Check the Performance Questions

This is the part most people skip, but it matters a lot.

The performance section asks whether the child is actually having meaningful difficulty in daily life. In other words: are these symptoms affecting school, behavior, or relationships enough to show up as a real problem?

On the performance questions:

• 4 means a clear problem
• 5 means a very serious problem

The AAP scoring instructions treat impairment as present when there is:

• a 4 on at least 2 performance items, or
• a 5 on at least 1 performance item

For the initial parent form, the performance questions are 49-56.
For the initial teacher form, the performance questions are 36-43.

Step 3: Put the Two Parts Together

This is the easy way to think about it:

The form supports inattentive ADHD when:

• there are 6 or more symptom positives in questions 1-9
• and the performance section shows enough impairment

The form supports hyperactive-impulsive ADHD when:

• there are 6 or more symptom positives in questions 10-18
• and the performance section shows enough impairment

The form supports combined ADHD when:

• there are 6 or more positives in questions 1-9
• and 6 or more positives in questions 10-18
• and the performance section shows enough impairment

A Simple Example

Say a parent form looks like this:

• 7 positive symptoms in questions 1-9
• 3 positive symptoms in questions 10-18
• performance ratings include two 4s

That form would support an inattentive ADHD pattern, because:

• the inattention symptom count is high enough
• the hyperactive symptom count is not high enough for that subtype
• the performance section shows real impairment

Now imagine the same form had 7 inattentive symptoms, but no performance item higher than 3. In that case, the form would show concerns, but it would not meet the full screening pattern on its own.

Parent Form and Teacher Form Are Both Important

This is another place where people understandably get stuck.

The Vanderbilt is meant to help clinicians collect information from more than one setting. A child may look very different at home and at school.

That means:

• a positive parent form alone is not the whole picture
• a positive teacher form alone is not the whole picture
• the most useful result is when both forms are reviewed together

If the two forms disagree, that does not automatically mean one person is wrong. It may simply mean the child is struggling more in one environment than another.

What About the Other Sections?

The Vanderbilt forms also include extra questions related to things like:

• oppositional behavior
• conduct problems
• anxiety or depression

Those sections matter, but if your main question is how to score the Vanderbilt for ADHD, you do not need to memorize every cutoff first. The most important place to start is:

• the first 18 symptom questions
• the performance section

A clinician can then look more closely at the extra sections if needed.

How Follow-Up Forms Work

The follow-up forms are a little different.

Instead of mainly asking, "Does this look positive right now?", they are often used to ask, "Is the child getting better, worse, or staying the same?"

For follow-up forms, the AAP instructions recommend calculating the average score for:

• questions 1-9
• questions 10-18

Then you compare those averages with the earlier baseline form.

The follow-up performance questions are:

• Parent follow-up: questions 27-34
• Teacher follow-up: questions 29-36

The same basic impairment idea still applies:

• 4 on at least 2 items, or
• 5 on at least 1 item

What the Score Does Not Mean

This is worth saying clearly: the Vanderbilt is not a diagnosis by itself.

It is a structured screening and assessment tool. A clinician still needs to look at the full picture, including:

• history
• interviews
• school context
• sleep
• anxiety or mood concerns
• learning difficulties

So even if the form looks clearly positive, the next step is usually a conversation with a pediatrician, child psychologist, or another qualified clinician, not self-diagnosis.

A Quick Checklist You Can Actually Use

If you want the easiest version of how to score the Vanderbilt ADHD Rating Scale, use this checklist:

1. Make sure you know whether you are holding the parent or teacher form
2. Count how many of questions 1-9 are scored 2 or 3
3. Count how many of questions 10-18 are scored 2 or 3
4. Check the performance section for that form
5. Look for:
   • 4 on at least 2 items, or
   • 5 on at least 1 item
6. Put the symptom count and impairment together
7. Compare parent and teacher forms if you have both
8. Bring the forms to a professional if concerns are ongoing

When It Makes Sense to Get Professional Help

It is a good idea to take the forms to a clinician when:

• both parent and teacher forms point in the same direction
• school or daily functioning is clearly affected
• symptoms have lasted for months
• you are also worried about anxiety, mood, learning, or behavior problems

If you want to try a structured child-focused screener on this site, you can start with our children's ADHD assessment. If you want the more detailed background on the scale itself, read our full Vanderbilt ADHD Rating Scale guide.

References

1. American Academy of Pediatrics. Vanderbilt Assessment Scales Scoring Instructions. Available through the AAP ADHD toolkit. PDF
2. NICHQ. NICHQ Vanderbilt Assessment Scales. https://nichq.org/downloadable/nichq-vanderbilt-assessment-scales/
3. Wolraich, M. L., Lambert, W., Doffing, M. A., Bickman, L., Simmons, T., & Worley, K. (2003). Psychometric properties of the Vanderbilt ADHD diagnostic parent rating scale in a referred population. Journal of Pediatric Psychology, 28(8), 559-568. DOI: 10.1093/jpepsy/jsg046