About NCJOSI Exam Prep
An independent practice platform for the National Criminal Justice Officer Selection Inventory Squared (NCJOSI²) (NCJOSI) exam - real questions across every exam domain, each with a plain-language explanation.
What's on the NCJOSI exam
The National Criminal Justice Officer Selection Inventory Squared (NCJOSI²) (NCJOSI) exam is organized into 14 knowledge domains. It runs 2 hours 30 minutes. Here is what it covers:
- Deductive Reasoning
- Flexibility of Closure
- Inductive Reasoning
- Information Gathering
- Problem Sensitivity
- Selective Attention
- Spatial Orientation
- Verbal Comprehension
- Verbal Expression
- Visualization
- Anti-Social Behaviors
- Positive Outlook
- Orderliness / Diligence
- Socialization
Every practice question on this site is organized across these 14 domains, so your study tracks the real exam structure instead of guesswork. As you answer, the per-domain analytics surface the areas still costing you points, so your review goes where it moves your score.
What we believe good exam prep looks like
Realistic practice beats passive reading. Every question is written to mirror the style and difficulty of the real exam, with a clear explanation of why the right answer is right and the others aren't.
Your weak spots should find you. Domain analytics, mistake review, and re-drilling are built in, so study time goes where it moves your score.
Pricing should be simple. One payment for a fixed access window matched to your exam date. No subscription, no auto-renewal, and 10 free questions to try before you spend anything.
Get in touch
Questions, feedback, or something not working? Email support@boardmentor.study - candidate messages are read and answered.