- What CDR Actually Reports
- The July-December 2025 Numbers
- A Reporting Caveat You Should Know About
- Why the Pass Rate Reflects a Self-Selected Group
- Why There Is No Fixed Percentage Pass Mark
- The Exam Format Behind the Statistic
- Where the 125 Scored Items Come From
- First-Time Versus Recertification Candidates
- Turning the Data Into a Preparation Plan
- What a Miss Costs You
- Frequently Asked Questions
- CDR reported an 81% overall CSSD pass rate for July-December 2025, across 152 examinees.
- First-time examinees passed at 77% (77 candidates); recertification examinees passed at 92% (50 candidates).
- The exam has 125 scored items, and Exercise and Performance Nutrition carries the most at 56.
- CDR does not assert a fixed percentage pass mark; passing uses an Angoff standard with statistical equating.
What CDR Actually Reports
Candidates searching for a pass rate for the Certified Specialist in Sports Dietetics credential usually want a single number. The Commission on Dietetic Registration (CDR), which administers the Board Certified Specialist in Sports Dietetics credential, publishes something a little richer: pass/fail statistics broken out by examinee category, reported by half-year period. That breakdown is more useful than one headline figure, because it separates people taking the exam for the first time from RDs renewing an existing credential.
This article walks through what the latest unambiguous CDR reporting period shows, what it can and cannot tell you, and how to translate it into a realistic preparation plan. If you are still weighing whether the credential is worth pursuing, the ROI analysis for the CSSD certification covers that question separately. For a broader view of how demanding the test feels, see How Hard Is the CSSD Exam?
The July-December 2025 Numbers
The most recent period that CDR's statistics page presents without ambiguity is July through December 2025. For that window, CDR reported the following:
| Examinee Category | Pass Rate | Examinees |
|---|---|---|
| Overall | 81% | 152 |
| First-time | 77% | 77 |
| Recertification | 92% | 50 |
A few points of arithmetic and interpretation are worth stating plainly. The overall group of 152 examinees includes the 77 first-time candidates and the 50 recertification candidates; the remaining examinees (the difference) are not described in the figures we are using, so do not assume they are a particular category. What you can say with confidence is that roughly four in five examinees passed overall, and that first-time candidates passed at a lower rate than renewing specialists.
A Reporting Caveat You Should Know About
CDR's published statistics table has an irregularity: the January-June 2025 period appears on two separate rows with conflicting figures. Because of that, this article does not lean on January-June 2025 numbers, and it does not relabel the upper row as 2026 to make the data look fresher than it is. July-December 2025 is used here because it is the latest period that is clearly dated and internally consistent.
The practical lesson is to check the source yourself before quoting a figure in a study group, a job application, or a forum post. The live table is at CDR's CSSD pass/fail statistics page, and it can change as CDR updates it. When you cite a number, cite the period with it.
Why the Pass Rate Reflects a Self-Selected Group
An 81% overall pass rate does not mean the exam is easy, and it does not mean a random RD would pass at that rate. The candidate pool is filtered before anyone reaches the testing center. To sit for initial certification, you must hold current RD status with CDR, maintained for at least two years, and document 2,000 sports dietetics practice hours as an RD within the five years preceding your application. Education and professional substitutions can cover at most 500 of those hours, and the specialty hours require verification.
That is a substantial filter. Everyone who reaches the exam has already spent years working in the field. Their pass rate reflects experienced practitioners who chose to certify, not the general RD population. The full eligibility picture is laid out in CSSD Requirements: Eligibility, Prerequisites & How to Qualify, and it is worth reading before you build a timeline.
Why There Is No Fixed Percentage Pass Mark
Many candidates ask what raw percentage they need to answer correctly. CDR does not assert a fixed percentage. Instead, the passing standard comes from an Angoff passing-point study, with statistical equating applied across exam forms. In plain terms, subject-matter experts judge how a minimally competent specialist would perform on each item, and equating adjusts for the fact that different forms can vary slightly in difficulty.
The consequence is that "I need 70%" or "I need 75%" is not a fact you can rely on, and you should be skeptical of any source that states one flatly. Aim for mastery across the content outline rather than a target percentage. For a fuller treatment, see CSSD Passing Score: Exactly What You Need to Pass.
The Exam Format Behind the Statistic
Understanding the test itself helps you interpret why some candidates struggle even with strong field experience.
- Length: 150 multiple-choice questions, of which 125 are scored and 25 are unscored pretest items.
- Question style: four answer options with one best answer. "Best answer" wording means several options can be defensible, and you must choose the most appropriate.
- Time: 3 hours of testing within a 3-hour-20-minute appointment that includes a 20-minute tutorial.
- Delivery: computer-based at Pearson VUE test centers, available year-round.
- Rules: closed book. An on-screen calculator and an erasable note board are provided. A test-center handheld calculator may be available on request, but personal calculators are prohibited.
- Breaks: unscheduled breaks count against your testing time.
You cannot tell which items are the unscored pretest questions, so treat every question as if it counts. At 150 questions in 3 hours, you have roughly a minute and 20 seconds per item on average, which is tight for scenario-style questions that require calculation or multi-step reasoning. Scheduling mechanics, including when you can test, are covered in CSSD Exam Dates: Testing Windows, Deadlines & Scheduling.
Where the 125 Scored Items Come From
CDR's CSSD Examination Content Outline (the currently linked version is effective November 2023) publishes item counts for each of three domains rather than percentage weights. The allocations, in domain order, are 56, 49, and 20 scored items, totaling 125.
Domain 1: Exercise and Performance Nutrition (56 scored items)
The largest domain by item count. Expect questions that ask you to apply nutrition to training, competition, and performance contexts.
- Fueling and hydration decisions across different sport demands
- Timing, periodization, and adapting recommendations to training phases
- Reasoning about which recommendation is best for a described athlete scenario
Domain 2: Clinical Sports Nutrition (49 scored items)
Nearly as large as Domain 1, so it cannot be treated as secondary.
- Nutrition considerations where athletic performance intersects with clinical conditions
- Applying medical nutrition therapy reasoning in athlete populations
- Recognizing when a presentation requires referral or coordinated care
Domain 3: Nutrition Operations and Resource Management (20 scored items)
The smallest domain, but 20 scored items is still a meaningful share of a pass/fail outcome.
- Program and service delivery within sports settings
- Managing resources and operations around athlete nutrition
- Practice-management reasoning that clinicians often under-prepare for
These are item counts, not percentages, and this article deliberately does not convert them into unpublished percentage weights. If you want the domain-by-domain breakdown with more depth, see CSSD Exam Domains: Complete Guide to All 3 Content Areas.
First-Time Versus Recertification Candidates
The gap between a 77% first-time rate and a 92% recertification rate is the most interesting feature of the data. A few reasonable, non-speculative observations follow from how the credential works.
Recertifying specialists have already passed this exam once, have typically continued working in sports dietetics, and must document 1,500 sports specialty hours within the preceding five years (with permitted substitutions) to renew on the standard path. They know the format and have kept practicing in the field. First-time candidates face the format fresh and are often earlier in their specialty careers. CDR's data show the difference; they do not explain its cause, so avoid treating any single explanation as proven.
Turning the Data Into a Preparation Plan
Because first-time candidates passed at a lower rate than renewing specialists, a first-time candidate should plan deliberately rather than relying on field experience alone. The one place generic scheduling advice earns its keep is in sequencing domains against the item counts.
Domain 1: Exercise and Performance Nutrition
- Spend the most time here; it holds 56 of 125 scored items
- Work scenario questions where several answers seem reasonable and you must pick the best
Domain 2: Clinical Sports Nutrition
- Treat this as nearly equal in weight; it holds 49 scored items
- Shore up clinical reasoning if your hours were performance-focused
Domain 3: Nutrition Operations and Resource Management
- Cover the 20 scored items that field experience often leaves uncovered
- Review the CDR suggested-reference list for gaps
Timed mixed practice
- Simulate the 3-hour limit across all three domains
- Practice with only the on-screen calculator and note board
CDR publishes a suggested-reference list (updated November 2025). These are suggestions, not a guarantee of exam coverage or success, and CDR does not endorse any particular preparation product. Use the list to find gaps, then verify your readiness with timed practice. A structured plan is outlined in the CSSD Study Guide for passing on your first attempt, and the CSSD cheat sheet is a handy final review. You can also test yourself against realistic questions on the CSSD practice test site.
Key Takeaway
Do not let the 81% overall figure relax your planning. If you are a first-time candidate, the relevant number is 77%, and your preparation should assume you need breadth across all three domains, not just strength in the area where you practice.
What a Miss Costs You
The pass rate matters partly because of what failing costs. The exam fee is $350, payable when you schedule. If you do not pass, the ordinary retest interval is 60 days, and reauthorization is required before you can test again. That means a miss costs you both another fee and at least two months. For the complete pricing picture, including fees beyond the exam itself, see CSSD Certification Cost: Complete Pricing Breakdown.
Weigh that against what the credential can do for your career. If you are exploring where it leads, CSSD jobs and the CSSD salary guide give context on settings and earnings, and when you are ready to check your readiness, the practice exam is the quickest way to find weak domains before you pay to sit the real test.
Frequently Asked Questions
For July-December 2025, CDR reported an overall pass rate of 81% across 152 examinees. First-time examinees passed at 77% (77 candidates) and recertification examinees at 92% (50 candidates). This is the latest unambiguously dated period; check CDR's statistics page for updates.
The issuer's table lists January-June 2025 on two rows with conflicting figures. For that reason, this article relies on July-December 2025 and does not relabel any row as 2026. Always cite the reporting period alongside any pass rate you quote.
CDR does not assert a fixed percentage pass mark. Passing is based on an Angoff passing-point study with statistical equating across exam forms, so prepare for mastery of the content outline rather than a target score.
There are 150 multiple-choice questions, of which 125 are scored and 25 are unscored pretest items. You cannot tell which are unscored, so treat every question as if it counts. You have 3 hours of testing time.
The ordinary retest interval is 60 days, and reauthorization is required before you can test again. You would also pay the $350 exam fee again when you reschedule, so a miss costs both time and money.
The pass-rate data tell a reassuring but incomplete story: most examinees pass, yet first-time candidates pass less often than renewing specialists, and the pool is already filtered by years of verified practice. Use the numbers as context, verify them at the source, and build your plan around the three domains and their published item counts. You can revisit the definition and background of the credential in What Is CSSD Certification? if you want to ground yourself before you begin.