- CA-CO refers to the California Correctional Officer Written Exam administered by CDCR's Office of Peace Officer Selection.
- The current bulletin, exam code WY50-9662, schedules the Written Test for May 19, 2026.
- The Written Test is weighted 100% and requires a score of 70 or greater to pass.
- CDCR reports a 79% pass rate, with results emailed within two business days.
What CA-CO Actually Means
CA-CO stands for the California Correctional Officer Written Exam, the entry-level testing process administered by the California Department of Corrections and Rehabilitation (CDCR) for candidates seeking to become sworn correctional peace officers within the state prison system. If you've landed here searching for "CA-CO," it's important to understand that this acronym is used by more than one credential across different industries - but on this site, and in this article, CA-CO refers exclusively to the CDCR's written testing component for Correctional Officer applicants. Nothing here relates to any other certification, licensing body, or industry that happens to share the same three letters.
Understanding the meaning behind the acronym matters because it shapes how you prepare. This isn't a generic multiple-choice licensing test pulled from a national test bank - it's a state-specific, job-relevant screening tool designed to measure whether an applicant has the cognitive and situational skills needed to function safely inside a correctional facility. For a broader introduction to the exam itself, see What Is CA-CO? and CA-CO Certification.
Who Administers the Exam
The exam is administered by the CDCR Office of Peace Officer Selection, the internal division responsible for recruiting, screening, and testing candidates for Correctional Officer positions across California's prison system. This office publishes the official examination bulletin, which currently identifies the test as code WY50-9662, tied to a scheduled Written Test date of May 19, 2026.
Because CDCR periodically opens and closes its application windows depending on staffing needs, it's worth checking current status before you build a study plan around a fixed date. As of this writing, CDCR marks the Correctional Officer application as temporarily closed, meaning candidates should watch for the reopening announcement rather than assume continuous rolling admission. For a full breakdown of testing windows and how they shift, see CA-CO Exam Dates 2026: Testing Windows, Deadlines & Scheduling.
It's also worth noting that CDCR is the only entity administering this exam - there is no third-party proctoring vendor, private certifying board, or continuing-education requirement involved. The written exam is one component in a larger, multi-stage hiring process that also includes physical fitness, background, vision, psychological, and medical screening.
Inside the Written Test
The Written Test is the only formally weighted component in the exam structure - it counts for 100% of the scored testing portion candidates must pass to advance. The format uses multiple-choice and/or true/false questions, and a passing score requires 70 or greater. There is no essay, oral board, or timed physical component bundled into this specific test; those come later in the hiring pipeline.
What makes the CA-CO written exam distinct from a generic aptitude test is its scope. CDCR designed it to measure five core competency areas:
- Cognitive ability - general reasoning and problem-solving speed
- Situational judgment - how you'd realistically respond to workplace scenarios
- Reading comprehension - extracting accurate meaning from passages under time pressure
- Problem solving - applying logic to incomplete or conflicting information
- Decision making - choosing the most appropriate action among plausible options
Within those five competencies, the actual test content draws from a specific list of subject areas that candidates should treat as their study syllabus:
Domain 1: Written Test (100%)
Since this is the only scored domain, every test question falls under it. But within that single domain, CDCR draws from ten distinct topic areas, and treating them as separate mini-domains is the most effective way to study.
- Grammar and spelling
- Basic arithmetic
- Names-and-faces memory
- Rapid reading and interpretation
- Communication
- Objective report writing
- Logical reasoning
- Following directions
- Disciplinary options
- Situation analysis
Two of these areas deserve special attention because they surprise unprepared candidates: names-and-faces memory, which tests short-term visual recall rather than general knowledge, and objective report writing, which evaluates whether you can describe a scenario factually and without editorializing - a skill directly tied to real correctional documentation duties. For a section-by-section breakdown of how these ten areas map to actual question types, see CA-CO Exam Domains 2026: Complete Guide to All 1 Content Areas.
Key Takeaway
Because the Written Test is 100% of your scored result, there's no partial credit strategy of "doing well on other sections" - every study hour should map to one of the ten listed topic areas.
Eligibility Behind the Acronym
Passing the written exam is necessary but not sufficient. CDCR requires candidates to meet a defined set of eligibility criteria before, during, and after testing:
- Twelfth-grade equivalency (high school diploma or equivalent)
- At least 20 years old at application and 21 at appointment
- Legal authorization to work in the United States
- A law-abiding personal history
- Firearm eligibility
- Passing drug screening and the remaining physical fitness, background, vision, psychological, and medical components
- A valid California Class C driver license by the time of appointment
These requirements exist independently of the written test score, meaning a strong written score doesn't waive any of them. If you fail the Written Test, CDCR allows reapplication after 30 days, and once you're placed on the eligibility list after passing, that list remains active for 24 months. For the complete eligibility checklist and how each requirement is verified, see CA-CO Requirements 2026: Eligibility, Prerequisites & How to Qualify.
| Requirement | Detail |
|---|---|
| Minimum age (application) | 20 years old |
| Minimum age (appointment) | 21 years old |
| Education | Twelfth-grade equivalency |
| Driver license | Valid California Class C by appointment |
| Written Test passing score | 70 or greater |
| Reapplication after failure | 30 days |
| Eligibility list duration | 24 months |
From Passing List to Academy Pay
Passing the Written Test and clearing the remaining screening components places a candidate on an eligibility list, from which CDCR extends conditional job offers. Accepted candidates then attend a 13-week Basic Correctional Officer Academy located in Galt, California. This academy is where classroom instruction on the written-test topics (report writing, situation analysis, disciplinary options) gets applied in a physical training environment.
Pay during the academy is $25.84 per hour. After graduation and academy completion, pay increases to a monthly range of $5,510 to $9,203, depending on assignment, shift, and step placement. These figures come directly from CDCR's current pay structure and should not be confused with figures published for differently named credentials that happen to share the "CA-CO" acronym elsewhere online. For a deeper look at how this pay scale progresses and what affects it, see CA-CO Salary Guide 2026: Complete Earnings Analysis, and for a broader cost-benefit view of pursuing the position, see Is the CA-CO Certification Worth It? Complete ROI Analysis 2026.
A Focused Prep Timeline
Because the Written Test spans ten distinct topic areas under one scored domain, the most efficient prep approach is to dedicate blocks of study time to each topic rather than reviewing everything at once. Below is a sample four-week structure built specifically around the CA-CO topic list - not a generic study calendar.
Language & Numbers Foundation
- Drill grammar, spelling, and basic arithmetic daily
- Practice rapid reading passages under a timer
Memory & Communication Skills
- Practice names-and-faces recall exercises
- Draft objective report-writing samples and self-critique for neutrality
Judgment & Reasoning
- Work logical reasoning and following-directions questions
- Review disciplinary options scenarios and situation analysis prompts
Full Simulation & Review
- Take full-length timed practice sessions covering all ten topic areas
- Target consistent scores above the 70 passing threshold before test day
This structure works because it isolates the two topics most candidates underestimate - names-and-faces memory and objective report writing - into their own dedicated week, rather than lumping them in with general reading comprehension. For a complete walkthrough of practice strategies mapped to each week, see CA-CO Study Guide 2026: How to Pass on Your First Attempt. If you're still deciding how much time to budget overall, How Hard Is the CA-CO Exam? Complete Difficulty Guide 2026 breaks down where most candidates lose points.
You can also build test-day confidence by running full-length simulations on our CA-CO practice test platform, which mirrors the multiple-choice and true/false format candidates actually see. Repeated timed practice on the practice test site is one of the few preparation methods that directly reflects the real exam's pacing and question style, rather than abstract test-taking theory.
Key Takeaway
Spend disproportionate time on objective report writing and situation analysis - these translate most directly into on-the-job correctional officer duties and are frequently underprepared by first-time test-takers.
Frequently Asked Questions
CA-CO stands for the California Correctional Officer Written Exam, administered by CDCR's Office of Peace Officer Selection. For more acronym-specific explanations, see What Does CA-CO Stand For? and What Does CA-CO Mean?.
You need a score of 70 or greater on the Written Test, which is weighted 100% of the scored exam. See CA-CO Passing Score 2026: Exactly What You Need to Pass for a detailed breakdown.
CDCR currently marks Correctional Officer applications as temporarily closed. Candidates should monitor official CDCR channels for reopening announcements before assuming a fixed testing timeline.
Candidates who fail the Written Test may reapply after 30 days. Those who pass are placed on an eligibility list that remains valid for 24 months.
This article covers only the California Correctional Officer Written Exam administered by CDCR. Other industries may use "CA-CO" for unrelated certifications with different administering bodies, fees, and requirements - those are not covered here or anywhere on this site.