Study CommonsRead · reason · practise

Home / CCAT Guide

CCAT & Gifted Guide

CCAT Scores: Percentile, Raw Score, Stanine and Composite Without the Confusion

How to read common cognitive-assessment score language without turning one number into a prediction of DDSB gifted placement.

Independent parent guide · Last reviewed 2026-09-19
Scope: Independent educational guide. Study Commons is not affiliated with DDSB, Nelson, Pearson, CCAT or CogAT publishers. Practice guidance uses original reasoning examples and does not reproduce secure test questions or predict gifted identification or placement.

Raw score

A raw score is the direct count or total produced before norm-based conversion. On many tests it may reflect items correct or another basic scoring rule. By itself, a raw score usually has limited meaning because difficulty and age expectations matter.

Percentile rank

A percentile rank locates a score relative to a norm group. The 95th percentile means the score is at or above that of roughly 95% of the relevant comparison group. It does not mean 95% of questions were answered correctly.

DDSB's current public gifted page specifically uses percentile language when it states that students within the 95th–97th percentile in the group assessment can proceed to an individual DDSB psychological assessment.

Standard age scores and age norms

Age-normed standard scores transform performance using a comparison group of similar age. This is why the same raw performance can map differently at different ages. Exact score conversions belong to the test's scoring system and should be read from the official report or manual, not reverse-engineered from practice sheets.

Stanines

A stanine is a broad nine-band standardized category. It is useful for a coarse summary, but it throws away detail. A one-band difference should not be treated as a precise measurement of ability.

Composite and profile

A composite combines information across parts of an assessment. A profile keeps domains separate. Two children can have similar composites while showing very different verbal, quantitative and nonverbal patterns.

That is one reason a single top-line score is not a complete learning profile.

Why a high group score is not a placement guarantee

Group screening is one stage. DDSB's current board explanation says gifted-class placement decisions use multiple sources of data and are not about thresholds or ranking test scores. Ontario's IPRC process separately addresses formal identification and placement.

A score can be important evidence without being the whole decision.

How to read a report responsibly

  • Read the label on each score before comparing numbers.
  • Do not interpret percentile as percent correct.
  • Do not compare practice-site percentiles with standardized board percentiles.
  • Look at domain patterns as well as any composite.
  • Ask the school what decision a score is being used for: screening, further assessment, identification evidence or placement discussion.

Sources and scope

  1. DDSB — Gifted Placement
    Current DDSB gifted assessment, nomination, private assessment, IPRC and placement guidance.
  2. DDSB — Board Meetings / gifted placement update
    Current board explanation that placement uses multiple sources of data and is not a score-ranking exercise.
  3. Ontario — Identifying students with special education needs
    Current Ontario overview of IPRC identification, placement, parent rights and review.

Policy pages were reviewed 2026-09-19. If a board changes its process, the current board or ministry page should take priority over this summary.