- The Number: 75% on 120 Questions
- How the Cut Score Is Set
- What 75% Means in Raw Questions
- Getting Your Result
- Where the Points Come From: The Five Domains
- Format, Timing and Closed-Book Rules
- The Gate Before the Score
- If You Miss: Retake Mechanics and Costs
- Reading the Published Pass Ratio Correctly
- Scheduling Prep Around the Domains
- FAQ
- The CFSC passing score is 75%, applied to a 120-question, three-hour, closed-book multiple-choice exam.
- The cut score is set with the modified Angoff method, not by curving against other candidates.
- ACAC's 2025 pass ratio of 86% (18 of 21) includes retakes and state-licensing-only exams, so it is not a first-attempt rate.
- Kryterion delivers the exam at testing centers or via online proctoring, and electronic scores are available immediately.
The Number: 75% on 120 Questions
If you are preparing for the Council-certified Fire and Smoke Damage Consultant (CFSC) credential from the American Council for Accredited Certification (ACAC), the headline figure is simple: you need 75% to pass. The written examination contains 120 multiple-choice questions, each with at least four answer choices, and you have three hours to complete it. It is a closed-book exam, so there are no reference materials to lean on.
That sounds straightforward, but the number only makes sense in context. A 75% threshold on a technical exam for people who already have years of fire and smoke investigation experience is a statement about professional competence, not a hurdle designed to wash out candidates. This article unpacks what the threshold means, how it is set, how it translates into questions, and how to build a preparation plan around the content areas where points are earned. If you want the broader picture of exam difficulty first, see How Hard Is the CFSC Exam? Complete Difficulty Guide 2026.
How the Cut Score Is Set
The 75% passing score is established using the modified Angoff method, a standard-setting procedure used widely in professional certification. In the Angoff approach, a panel of subject-matter experts reviews each exam question and estimates the probability that a minimally qualified candidate would answer it correctly. Those judgments are aggregated into a recommended cut score.
Several practical consequences follow for you as a candidate:
- It is criterion-referenced, not norm-referenced. Your result depends on whether you meet the competence standard, not on how other candidates performed that day. Nobody is graded on a curve.
- The standard reflects the "minimally qualified" consultant. The panel asks what a barely competent fire and smoke damage consultant should know, which is why the questions emphasize practical field judgment over trivia.
- Hard questions do not lower your bar on their own. The published passing score is 75%; you should plan to meet it rather than hope for an adjustment.
Because the standard is competence-based, the best preparation is mastering the working knowledge an investigator uses on real projects. Our CFSC Study Guide 2026: How to Pass on Your First Attempt walks through that approach in more detail.
What 75% Means in Raw Questions
With 120 questions, a 75% threshold works out to answering 90 questions correctly (120 × 0.75 = 90). That leaves room for up to 30 incorrect answers. Whether every question is scored toward the total is not something the published handbook spells out, so avoid building a strategy on the assumption that a specific number of items are unscored; simply aim for strong accuracy across the board.
| Item | Value |
|---|---|
| Total questions | 120 multiple-choice |
| Answer choices per question | At least four |
| Passing score | 75% |
| Correct answers needed (if all 120 count) | 90 |
| Time allowed | 3 hours |
| Average time per question | Roughly 1.5 minutes |
| Reference materials | None (closed-book) |
Ninety minutes of the three hours would cover about 60 questions at a relaxed pace, so the time budget is generous for people who know the material. The risk is not running out of time; it is second-guessing yourself on scenario items where two choices look plausible. Practicing with realistic questions at the CFSC practice test site helps you build the habit of committing to the best-supported answer.
Getting Your Result
The exam is delivered by Kryterion, either at a testing center or through online video proctoring. A real advantage of computer delivery is that electronic scores are available immediately, so you will not be left waiting weeks to learn the outcome of your three-hour effort.
If you test at a physical center, bring two government-issued IDs, including one photo ID. Identification problems are one of the most avoidable reasons for a lost testing appointment, so confirm the names on your IDs match your registration before exam day. Delivery policies are posted on ACAC's exams page, and it is worth reading them in full ahead of time.
Where the Points Come From: The Five Domains
The examination domains come from ACAC's CFSC and CFST Examinations chart (approved March 20, 2024). The chart lists five domains. No percentage weights are published in the chart or the candidate handbook, so you cannot responsibly claim that one domain is worth, say, a third of the exam. What you can do is treat all five as scoreable territory and identify which ones are your personal weak spots. For a deeper tour, read CFSC Exam Domains 2026: Complete Guide to All 5 Content Areas.
Domain 1: General Knowledge
The foundation: how fires produce damaging combustion products and how those products behave in buildings and on materials.
- Combustion products and how they deposit on or penetrate building materials and contents
- Vocabulary and concepts you will be expected to use without hesitation in every other domain
- Professional scope: what a consultant investigates versus what falls outside the discipline
Domain 2: Site Characterization
Assessing a fire- or smoke-affected property before a single sample is collected.
- Understanding the loss: what burned, how smoke traveled, and which areas may be affected
- Developing hypotheses about contamination pathways to guide the investigation
- Documenting conditions so the investigation can be defended later
Domain 3: Sample Collection
How to gather evidence that will hold up to analysis and scrutiny.
- Choosing appropriate sampling approaches for the question being asked
- Preserving sample integrity and documentation from collection onward
- Avoiding contamination and bias that could invalidate results
Domain 4: Sample Analysis, Data Interpretation & Report Writing
Turning laboratory and field data into defensible conclusions.
- Understanding what analytical results can and cannot tell you
- Interpreting data in light of site conditions rather than in isolation
- Communicating findings clearly in a written report, since reporting is part of what experience qualification requires
Domain 5: Remediation
Connecting investigation findings to cleaning and restoration decisions.
- Recommending remediation approaches grounded in the investigation results
- Defining how success is judged once work is done
- Recognizing when further investigation is warranted before work proceeds
Notice how the domains mirror the lifecycle of a real project: understand, characterize, sample, analyze and report, then remediate. Questions tend to reward candidates who think in that sequence, because a wrong decision upstream (a poor sampling choice, for instance) undermines everything downstream. Quick-reference review material is collected in the CFSC Cheat Sheet 2026: One-Page Review of Must-Know Facts.
Format, Timing and Closed-Book Rules
Question style
Every item is multiple-choice with at least four options. Because the cut score is derived by judging how a minimally qualified consultant would perform, expect practitioner-style questions: scenarios where you must pick the most appropriate action or interpretation rather than recite a definition in isolation.
Pacing at roughly 1.5 minutes per item
A sensible approach is a two-pass strategy. On the first pass, answer everything you are confident about and flag the rest. On the second, return to flagged items with the time you saved. Since there is no published penalty for a wrong answer in the handbook material we have, leaving questions blank is a poor strategy; make your best-supported selection.
Closed-book means internalized knowledge
With no reference materials permitted, you cannot rely on looking things up mid-exam. That favors candidates who have worked through the official preparation material and practiced retrieving facts from memory. The supporting source ACAC points to is the Council-certified Fire and Smoke Damage (CFSx) Certification Program Exam Study/Review Guide (Rev. 12-2024). Note that the revision date marks the document edition only; it is not an exam version identifier, and no separate public exam code or named release version is specified.
The Gate Before the Score
You cannot simply book the exam and see what happens. ACAC requires an approved application first, and the eligibility rules are demanding because the credential is aimed at working investigators. The three qualifying pathways are:
- A qualifying science-related four-year degree (or its 30-credit equivalent) plus four years of documented fire/smoke investigation experience.
- A qualifying two-year degree (or its 15-credit equivalent) plus six years of experience.
- A high-school diploma or GED plus eight years of experience.
The experience must involve designing, conducting and reporting investigations of combustion-product damage. Unrelated water-damage, microbial-growth, asbestos, lead and other indoor environmental investigations do not count. You will submit four project sheets, applicable education transcripts and required email verifications. No training course is mandatory, though some candidates choose to take one; see CFSC Training for options. The full eligibility breakdown is in CFSC Requirements 2026: Eligibility, Prerequisites & How to Qualify.
If You Miss: Retake Mechanics and Costs
Falling short of 75% is not the end of the road. A retake carries a $100 examination fee. For context, the first-term fee structure is:
| Fee Component | Amount (USD) |
|---|---|
| Examination | $100 |
| Certification | $400 |
| Total, first two-year term (US/Canada) | $500 |
| Total, first two-year term (outside US/Canada) | $525 |
| Retake | $100 |
Compared with many professional credentials, the retake fee is modest, but the real cost of a miss is time and momentum, especially if your application window is running. For the complete financial picture, including renewal, see CFSC Certification Cost 2026: Complete Pricing Breakdown.
Also remember that passing the exam for state licensing alone does not confer the CFSC designation. If you take the exam for a licensing purpose, you still need to complete the full certification process to hold the credential.
Reading the Published Pass Ratio Correctly
ACAC's 2025 Exam Pass Ratio reports 86%, with 18 passing out of 21 examinations. It is tempting to read that as "86% of first-time candidates pass," but that reading is wrong for two reasons stated in the report itself: the figure includes retakes and state-licensing-only examinations. It therefore is not a first-attempt pass rate for people seeking the CFSC designation.
The sample is also very small. Twenty-one examinations is too few to support strong statistical conclusions, and a single additional failure or pass would move the percentage noticeably. The sensible takeaway is qualitative: candidates who have passed ACAC's experience screening generally do well, which is consistent with a self-selected, experienced population. For more on interpreting the data, see CFSC Pass Rate 2026: What the Data Shows.
Key Takeaway
Do not let a high pass ratio talk you into under-preparing. The population is experienced professionals taking a closed-book exam against a competence standard of 75%. Your goal is 90 correct answers, not "better than average."
Scheduling Prep Around the Domains
Since the passing score is a single 75% across all content, a balanced plan beats cramming your favorite area. Here is an example eight-week arrangement keyed to the five domains. Adjust the weeks to your own experience: a veteran investigator may compress the domains they use daily and spend extra time where their project history is thinner.
General Knowledge, then Site Characterization
- Start with Domain 1 vocabulary and combustion-product concepts, since every later domain assumes them
- Move to Domain 2 and practice reasoning from a described loss to a likely contamination pattern
- Read the relevant sections of the CFSx Study/Review Guide
Sample Collection
- Focus on integrity, documentation and avoiding bias or contamination
- Work scenario questions where the best answer is the one that protects the validity of the data
Sample Analysis, Data Interpretation & Report Writing
- Practice interpreting results against site conditions, not in isolation
- Review what makes a report defensible and clear; this domain is where experienced field people often discover gaps
Remediation
- Tie remediation decisions back to investigation findings
- Review how completion and success are judged
Full-Length Practice Under Exam Conditions
- Take timed 120-question sets, closed-book, aiming for comfortably above 75%
- Review every miss by domain and revisit the weakest one
Taking timed, full-length sets at the CFSC Exam Prep practice tests is the most direct way to find out whether you are clearing the 90-correct mark with margin to spare. If you score right at the line in practice, treat that as a warning rather than a pass, because exam-day nerves and unfamiliar phrasing usually cost a few points.
Why the Passing Score Is Worth the Effort
The credential matters because it signals vetted, experience-backed competence in a specialized niche. Employers and clients in restoration, insurance, consulting and forensic work look for it as a differentiator. If you are weighing the investment, our analyses in Is the CFSC Certification Worth It? Complete ROI Analysis 2026 and CFSC Salary Guide 2026: Complete Earnings Analysis cover the career side, and CFSC Jobs looks at the roles that value it.
Remember too that the credential is valid for two years. Renewal costs $400 and requires 40 recertification credits: 10 for attesting to continued field activity plus 30 hours of professional development. Keep documentation in case of audit. Passing once is the start of an ongoing professional commitment, not a one-time event.
FAQ
The passing score is 75%, set using the modified Angoff method. On a 120-question exam, that equates to 90 correct answers if every item counts toward the score.
No. The modified Angoff method sets a fixed competence standard based on expert judgment of how a minimally qualified consultant would perform. Your result depends on meeting that standard, not on how other candidates did.
Electronic scores are available immediately after the exam. The test is delivered by Kryterion at testing centers or by online video proctoring, so you will not wait weeks for a result.
Not necessarily. ACAC's 2025 ratio (18 of 21 examinations) includes retakes and state-licensing-only exams, and the sample is small, so it should not be read as a first-attempt pass rate for the CFSC designation.
You can retake the exam for a $100 fee. Check your application deadline with ACAC first, since current instructions allow six months while the handbook states 90 days, and plan your retake so you stay within the applicable window.