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WISC Test Scores | Understand Your Child’s Scores

The WISC®-V (Wechsler Intelligence Scale for Children®, Fifth Edition) is scored by comparing your child’s individual performance against a group of other students born within a four-month age range of one another (this is called an “age band”). All students tested have three possible age bands they may fall into. (Please refer to the table below.) If you want your child to be on the older or younger end of the age band in which his or her score will be calculated, you can schedule the test accordingly.

For example, if your child is 7-years old, depending on when he was born, he would fall into one of the following age bands:

  • 7 years, 0 months to 7 years, 3 months
  • 7 years, 4 months to 7 years, 7 months
  • 7 years, 8 months to 7 years, 3 months
WISC-V Age Groups (Yrs:Mos)
6:0 – 6:310:0 – 10:314:0 – 14:3
6:4 – 6:710:4 – 10:714:4 – 14:7
6:8 – 6:1110:8 – 10:1114:8 – 14:11
7:0 – 7:311:0 – 11:315:0 – 15:3
7:4 – 7:711:4 – 11:715:4 – 15:7
7:8 – 7:1111:8 – 11:1115:8 – 15:11
8:0 – 8:312:0 – 12:316:0 – 16:3
8:4 – 8:712:4 – 12:716:4 – 16:7
8:8 – 8:1112:8 – 12:1116:8 – 16:11
9:0 – 9:313:0 – 13:3
9:4 – 9:713:4 – 13:7
9:8 – 9:1113:8 – 13:11

The age bands are then standardized and used to determine each child’s overall IQ score. The scores are calculated, based on the performance of a normative group of children who fall within that 4-month age bracket. The child’s cognitive abilities (verbal comprehension, working memory, visual processing speed, and fluid reasoning) are assessed and compared against performance level norms created from the standardized test sample.

The scores are obtained in statistical manner, and are not based on the percentage of questions answered correctly. Thousands of children were given the assessment, and the results were standardized to determine various ranges of ability for each age. Given the results of the sample population, norms are created. Percentile rankings are correlated with a person’s performance level based on the norms created from the standardized sample. Your child’s score will be a comparison of how he or she performed compared to the standardized sample.

Here are all the Standard Score ranges for the WISC®-V:

  • Borderline: 70-79. Students who test in this range may struggle to keep up in school and are usually eligible for assistance.
  • Low Average: 80-89. Students who test in this range may struggle to keep up in school, but are not generally eligible for special education or assistance.
  • Average: 90-109. Students who test in this range are average and may or may not struggle to keep up in school.
  • High Average: 110-119. Students who test in this range are high average and do not generally struggle in school.
  • Above Average: 120-129. Students who test in this range are above average and do not generally struggle in school.
  • Moderately Gifted: 130-145. Students who test in this range are moderately gifted and do not generally struggle in school.
  • Highly Gifted: 146-159. Students who test in this range are highly/exceptionally gifted and do not generally struggle in school.

To get started with all of the WISC testing material offered by Testing Mom, get started with our 100 Free Questions.

100 Free Practice Questions

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5 Responses

Jennifer says:

I think we have a problem if all intelligence levels may struggle to keep up in school!

davegide94 says:

Please I need the psychometric properties for the pro Iq ibsownloaded fromnthe web site. Please, i need to score and to know the reliability. Please I need your reply.

Abiodun Adebunmi GregOmeife says:

Please, I need psychometric properties to enable me know t her reliability of the test. How do score the children since the Pro IQ test came only with answer but no scoring scales.

Julia says:

Your description of highly gifted students is incorrect. Most kids with an IQ of >145 struggle in school because they are extremely different from their age-mates. Here is one source of information about those kids: http://www.hoagiesgifted.org/underserved.htm.

Maryam says:

Jag är psykolog och ska jobba som skolpsykolog. Har jobbat i ett projekt för trauma stöd.