CogAT score descriptions

Score Type

Description

Ability Profile

Captures the level and pattern of a student’s scores on the three CogAT batteries

Percentile Rank (PR)

A score from 1 to 99 that indicates the percentage of students in the same age or grade group who obtained lower scores on a test than a particular student did

Raw Score (RS)

The number of questions a student answers correctly on a test

Standard Age Score (SAS)

A normalized standard score with a mean of 100 and standard deviation of 16

Stanine (S)

Normalized standard scores that range from 1 to 9 and have an average value of 5

Universal Scale Score (USS)

A scale score based on a continuous growth scale from K–12; used to convert to other score types

Age Norms

Allow you to compare a student’s performance on the test with that of a national sample of students in the same age group

Grade Norms

Allow you to compare a particular student’s performance on the test with that of a national sample of other students in the same grade group

Local Norms

Allow you to compare a particular student’s performance on the test with that of other students in the same grade group in the same school or school district (available as a special scoring service)