If your school letter says NGAT, first confirm it means the Naglieri General Ability Tests used in U.S. gifted and advanced-academic screening. Other examinations share those initials. This guide covers the Naglieri assessment published by Multi-Health Systems (MHS) and developed by Jack A. Naglieri, Dina Brulles and Kimberly Lansdowne.
What the child actually does
NGAT measures general reasoning through three separate tests. A district may use one, two or all three. Ask which tests your child will receive before comparing a school notice with a practice book.
| Test | Publicly described task | What a parent can notice in an original activity |
|---|---|---|
| Verbal | Six pictures: five share a concept; select the exception | Can the child explain the shared category rather than name one unusual detail? |
| Nonverbal | Find relationships in figures and choose the missing part from five options | Which feature changes: shape, fill, position, quantity or direction? |
| Quantitative | Find a quantitative relationship and choose from five options | Does the proposed rule work across the whole problem? |
Six pictured choices; find the exception.
Keep the shape. Notice what happens to its fill.
Check that the same change works in both rows.
Here, verbal does not mean a page of vocabulary questions. The child reasons about concepts using pictures. Instructions use animation to reduce the need for spoken or written language. “Reduced-language” describes the design; it does not mean a test is free of every cultural or learning influence.
Format and timing depend on grade
MHS’s July 2026 brochure describes 40 scored questions per test, presented one at a time on screen. The timed period is 30 minutes per test in K–2 and 35 minutes per test in Grades 3–9. Directions and example activities come before the scored portion. Grade-specific forms mean an older child’s test is not simply the Grade 2 form with extra time.
If a school administers all three tests, do not assume the child will sit for one uninterrupted 90-minute block. Scheduling, breaks and accommodations belong to the school’s administration plan.
Ability, achievement and school decisions
An achievement test samples learning in areas such as reading or mathematics. An ability assessment asks the child to reason through relationships and new problems. The distinction is useful, but it does not make one score a complete description of the child.
Districts choose how to use results alongside other information. Check the local identification process, whether scores open a screening file or influence a final decision, and which other evidence is considered. A workbook cannot establish gifted eligibility.
Read the score label before the number
The NGAT standard-score scale has a mean of 100 and standard deviation of 15. A percentile describes standing within a stated comparison group. A stanine summarizes standing in one of nine broad bands. These are different ways of reporting performance; none is a percentage of the curriculum mastered.
below the mean
standard-score scale
above the mean
For example, a 90th-percentile rank describes standing relative to a reference group. It does not mean 90% of questions were correct, and it does not automatically qualify a child for services. Check whether the report uses national or local norms and whether it refers to a particular test or a combined result. Our NGAT score guide walks through those questions.
What to do before testing
The test authors say no studying is required and discourage prepared test-content drilling. The official directions and examples introduce the tasks. You do not need to buy a workbook for your child to take the test.
Start with practical details: confirm the test name, grade, date, selected tests and any accommodations with the school. Keep the usual sleep and morning routine. Avoid presenting the result as a verdict on the child.
If your child enjoys puzzles, our optional original reasoning activities let you explore categories, patterns and quantities together. They are independent materials, not actual test questions, calibrated simulations or evidence of future scores. Try nine picture questions with explanations, and stop when your child wants to stop.
Choose the next step that fits your question
- Fairfax County family: use the NGAT in FCPS guide for the 2026–27 testing windows, then the AAP process guide for referrals and services.
- Another district: the NGAT district tracker is a starting point; your school’s current notice controls.
- Comparing a school’s old and new test: read NGAT vs CogAT, especially the Grade 2 picture-format distinction.
- Considering a book: inspect the actual Grade 2 sample pages and answer key before viewing the full workbook.
Public format sources checked September 5, 2026. Reasonwell is independent and is not affiliated with or endorsed by MHS or the test authors. NGAT and Naglieri are the property of their respective owners.