Why CFA Level I Candidates Fail

Many CFA Level I candidates fail not because the exam is overly difficult, but because of how they approach preparation and manage their study strategy. After years of working with candidates across London and globally, the same patterns emerge. Here is an honest breakdown of the most common mistakes and what to do about each one. 

1. Underestimating preparation time

Candidates often underestimate the level of commitment required, particularly those without a finance background. Level I demands consistent effort over time rather than last-minute preparation.

This tends to catch two types of candidates off guard: those new to finance who underestimate the sheer volume of material and those already working in finance who assume professional experience will carry them through. Neither assumption holds up well under exam conditions.

The CFA Institute recommends approximately 300 to 350 study hours. That is not a figure to negotiate with. Build your study schedule early, protect that time consistently, and treat last-minute cramming as the high-risk strategy that it is.

2. Over-reliance on summaries instead of the curriculum

A common mistake is focusing on condensed notes or summaries while neglecting the CFA curriculum. The exam is built around the Learning Outcome Statements (LOS), meaning candidates must understand how concepts are applied rather than simply memorising them.

Summary notes and third-party materials are convenient, and they feel efficient. However, they are a supplement, not a foundation. The LOS are precise. They require you to calculate, compare, evaluate, and contrast, not just recognise. Surface-level familiarity built from condensed notes rarely translates into correct answers under exam conditions.

Use the official curriculum as your primary source. Third-party providers and summaries work well to reinforce understanding once you have built that foundation, not before.

3. Misunderstanding topic weightings

Candidates typically perform well when they are strong in the core topics:

• Fixed Income (11% to 14%)
• Equity (11% to 14%)
• Financial Statement Analysis (11% to 14%)
• Ethics (15% to 20%)

Collectively, these account for approximately 48% to 62% of the exam, with a midpoint estimate of around 55%. From 2027, Quantitative Methods will also be considered among these core topics. 

However, over-focusing only on these areas while neglecting others is a common mistake. The remaining topics still make up a significant portion of the exam and can be decisive. You cannot pass CFA Level I on the core topics alone.

The approximate weightings at a glance:

Note: Corporate Issuers will be renamed Corporate Finance from 2027. 

Prioritise the high-weight areas, but never abandon the rest. A structured study plan that ensures full syllabus coverage is the safest approach.

4. Neglecting lower-weighted but important topics

Smaller-weight topics are often overlooked despite their combined importance:

• Economics (6% to 9%) and Alternative Investments (7% to 10%) together represent approximately 13% to 19% of the exam, with a midpoint of around 16%.
• Portfolio Management (8% to 12%) and Derivatives (5% to 8%) together represent approximately 13% to 20% of the exam, with a midpoint of around 16.5%.

These areas collectively represent a substantial portion of the exam. Selective studying or cherry-picking topics is therefore a risky strategy.

These four topic areas alone can account for roughly one-third of your total marks. Candidates who overlook them in favour of doubling down on FSA and Fixed Income often end up losing marks in the very areas they assumed were safe to deprioritise. No topic exists in isolation, and examiners are well aware of where candidates’ gaps in understanding tend to appear. 

5. Ethics is critical beyond its weighting

Ethics carries a weighting of 15% to 20%, but its importance extends beyond its numerical value. The CFA Institute places strong emphasis on ethical conduct across all levels of the programme.

Candidates who narrowly fail often underperform in Ethics. Consistent practice is essential, and regular exposure to Ethics questions throughout the study period helps develop the judgement and familiarity the exam requires.

What makes Ethics particularly difficult is that it rewards judgement, not memorisation. The Code and Standards are not hard to read. Applying them correctly to complex, ambiguous scenarios under time pressure is the real challenge. Candidates who cram Ethics at the end rarely develop that judgement in time. Those who weave it into their routine from the start nearly always feel more confident on exam day.

6. Lack of sufficient practice with real exam questions

Reading alone is not enough. Success requires active engagement with:

• End-of-chapter questions
• Learning outcome-based practice questions
• CFA Institute mock exams

Candidates should prioritise CFA Institute materials first, as they best reflect exam standards. Providers such as Wale-Kesh Learning (a CFA Institute Prep Provider) can then be used to reinforce understanding and provide structured, guided practice once core materials have been covered.

The exam tests your ability to apply knowledge under time pressure. That is a skill that only develops through practice. Candidates who read thoroughly but do not practise extensively often struggle when questions are phrased differently from what they expected, or when a question requires combining knowledge from multiple topic areas at once. Build a practice question habit early and do not leave mock exams until the final week.

7. Poor exam discipline and time management

Even well-prepared candidates may struggle due to:

• Insufficient mock exam practice
• Weak time management during the exam
• Lack of familiarity with question pacing

Practising under timed conditions is essential for building exam stamina and improving accuracy.

CFA Level I gives you approximately 90 seconds per question across two sessions of 90 questions each. That sounds manageable until you are in the room, fatigued, staring at a calculation that is taking longer than expected. Candidates who have not rehearsed that experience under real conditions often find the pacing unfamiliar and stressful. Simulate the full exam as faithfully as possible in your preparation – including the time constraints, the sitting duration, and the discipline of moving on when a question is taking too long.

Conclusion

There are no shortcuts to passing CFA Level I. Success requires early preparation, a structured study plan, full syllabus coverage, and consistent question practice.

While the CFA Institute recommends approximately 300 to 350 study hours, actual requirements vary depending on background and experience. However, discipline, consistency, and exam-focused practice remain the most important factors for success.

If you are preparing for CFA Level I and want structured, expert-led guidance through every topic area, Wale-Kesh Learning offers preparation courses built specifically around the CFA curriculum. These include in-person classes in London, live online sessions, and self-paced video content through our LMS, launching in August 2026.  Visit drwalekesh.com to find the format that works for you.

Dr Olawale Keshinro is the founder of Wale-Kesh Learning and serves as the lead tutor for CFA examination preparation.