Every state writes its own correctional officer exam, but nearly all of them test the same four skills

Correctional officer written exams are basic-skills tests: reading comprehension, grammar and spelling, and everyday math. The WorkKeys Workplace Documents and Applied Math sections, which our WorkKeys practice test mirrors, test reading of work memos and procedures and practical arithmetic at a similar level. The reasoning test adds timed reading and number practice.

Our tests have no memorization section (study a picture or document, then answer from memory), no report-writing items and no corrections scenarios. Florida's Basic Abilities Test and many state exams lean on those, so practice them separately with the state's own guide.

California's Department of Corrections and Rehabilitation runs its own online written exam. Its page says the exam evaluates grammar, spelling, punctuation, reading comprehension and basic mathematics, and its FAQ says you can sit it on a desktop, laptop, tablet, Chromebook or phone, though a computer is recommended.

Florida uses the Basic Abilities Test, which FDLE says is sometimes called the BAT or CJBAT, with separate tests for corrections and law enforcement. Under the current Florida rule, a passing score is valid four years from the test date; an older notice said two years, so check the rule in force when you test.

New York City's Department of Correction hires through civil service exams run by DCAS. The notice for Exam No. 7302 lists an application period from September 2 to October 27, 2026, no application fee and multiple-choice testing expected to begin on December 15, 2026. You must be at least 17 to take the test and 21 to be appointed.

Several state exams, including Florida's as prep sites describe it, include memorization: you study a picture of a cell block, a set of inmate details or a document for a short time, then answer questions without looking. It reflects a real job demand, since officers must remember faces, counts and rules.

Memory is trainable within a few weeks. Practice by studying a busy photo for two minutes, covering it, and writing down every person, object and number you can recall. Then check. Grouping details by location (left wall, door, table) works better than trying to remember a list.

Correctional officers write incident reports that may be read by supervisors, lawyers and courts. Exams test this through grammar, spelling, punctuation and clarity items: choosing the clearest version of a sentence, spotting the misspelled word, or putting events in the right order.

The good report is factual, in time order and free of opinion. When a question asks for the best summary of an incident, choose the option that states who, what, where and when without guessing at motives. Our WorkKeys practice test gives similar practice in reading work documents for exactly what they say.

The math is practical: adding counts, working out percentages, reading a simple table of shifts or supplies, and handling time. CDCR describes it as basic mathematics. If you have been away from school for a while, an hour a day of arithmetic without a calculator for two weeks is usually enough to feel comfortable.

Use the WorkKeys Applied Math practice test to check your level. If you find yourself stuck on fractions or percentages, fix those first, since they appear in almost every state's exam.

A 70 percent pass mark is the figure prep sites quote most often for California and many other states, but agencies set their own and some rank passing candidates on a list. In civil service systems such as New York City's, scores generally decide your place on the eligible list, and so when you are called.

Retake rules differ widely. Prep sites say Florida's BAT can be taken up to three times a calendar year. Ask your agency before you test, and if you fall short, use the gap to work on the section that cost you most rather than retaking straight away.

These come from anonymous reviews, university careers pages and prep guides. They often disagree, and Correctional officer (United States) has not confirmed them. Read them as leads, not rules.

• Prep sites describe the California exam variously as 53 questions in an hour and 45 minutes or about two and a half hours in total, so accounts conflict.
• Prep sites say Florida's BAT has 97 questions in about 90 minutes and requires 70 overall plus at least 30 of 50 on the memorization and cognitive sections combined; we could not confirm this from FDLE.
• Prep sites quote California written exam pass rates in the high 70s percent, but we found no CDCR page confirming a figure.