The OACP Certificate: Ontario's Constable Selection System, Explained

If you’re applying to a municipal police service in Ontario, you’ll very likely need an OACP Certificate before an agency will move your application forward. It’s issued by the Ontario Association of Chiefs of Police, not by any individual police service, and it’s a genuinely different process from the B.C. municipal ETHOS exam the RCMP Online Entrance Assessment, or Alberta’s APCAT.

What the Certificate actually is

The OACP Certificate is not a pass/fail credential. The OACP’s own pages are explicit that the system has no pass/fail component: every applicant who completes it receives the certificate. What it produces instead is a standardized set of results — test scores, a personality profile, a fitness log, and a medical package — that a hiring service uses at its own discretion. Passing through the process is not the same as being hired; it’s what makes you eligible to be considered.

The written test: SSPO

The written component is called the Sigma Survey for Police Officers (SSPO): 74 multiple-choice questions in a 35-minute time limit, split into two sections.

• Section A (44 questions): spelling, vocabulary, punctuation, and grammar.
• Section B (30 questions): police-context problem-solving. The OACP’s own material notes that heavy-math questions have largely been removed, though basic arithmetic still appears inside problem-solving items.

There’s a real penalty for guessing: an incorrect answer costs you, while a question left blank is simply unscored. That changes the optimal strategy compared to a test with no guessing penalty — leaving a genuinely unknown answer blank can beat a random guess.

The personality assessment: PRF-R

A separate component that isn’t timed. The current study guide from the test publisher describes 307 statements, each rated on a 5-point scale from strongly disagree to strongly agree, and says most applicants finish in about 20–30 minutes (it still has to be completed within your scheduled proctored session). The OACP is explicit that applicants are required to answer honestly. As with the RCMP’s comparable Workstyle Preference section, this isn’t a section to strategize your way through; it’s a familiarization exercise, not a skills test.

Fitness log and medical package

Beyond the two written components, the full Certificate package includes a 14-day self-reported fitness log (running, strength training, stress management, sleep, and other activity) valid for one month from completion, and a medical examination package (vision and hearing, completed by outside specialists) valid for two years.

Cost and validity

• Cost: $250 (before tax) for the full Certificate package, per the OACP’s published pricing.
• Certificate validity: one year from the date it’s issued. The OACP’s FAQ says re-testing is possible once ten months have passed since it was issued.
• Results: sent only to the police services you apply to — the OACP itself doesn’t make hiring decisions.

How to actually prepare

• Train Section A like a timed proofreading task, not a grammar-review session. Spotting an error under a clock is a different skill from knowing the rule in isolation.
• Practice the guessing math. Since blanks are unscored but wrong answers are penalized, know your own confidence threshold before test day, not during it.
• Answer the PRF-R honestly, the same way the RCMP’s Workstyle Preference section should be approached — not as a puzzle to reverse-engineer.
• Confirm current details directly with the OACP before registering — this article reflects information verified live against oacp.ca’s Certificate and Constable Selection System pages (2026-09-17) and the 2026 FAQ and study guide (2026-09-23).

The SSPO’s Police Problem Solving section is scenario-based; see Situational Judgement Tests for Canadian Police Applicants for how to reason through scenario questions.

What this article is not

This is general educational information, sourced from the OACP’s own public pages. ETHOS Prep is not affiliated with, endorsed by, or administering the OACP Certificate or the Constable Selection System, and has no access to actual test content — nothing here is an official or leaked question, and nothing here guarantees a particular result.