Measuring Training Impact: Key Metrics for Learning Success

Here's how leading CLOs align L&D with real business performance to prove learning impact using metrics including engagement, retention, skill growth, and ROI.

Written by:
Randall Tinfow
March 4, 2025

Not long ago, the idea of a Chief Learning Officer didn’t even exist. But in the last 30 years, the CLO has gone from an experimental role to a strategic essential. Why? Because organizations finally recognize that learning isn’t just a perk—it’s a performance driver.

And with that recognition comes investment. Nearly half (48%) of learning leaders say their budgets are going up this year. But here’s the catch: bigger budgets mean more pressure to show results. So how do you prove that learning works? Let’s talk measurement—beyond checkboxes and completion rates.

From Checklist to Business Impact

Remember when learning “metrics” meant how many people showed up or clicked through a slide deck? That’s no longer enough. Today’s CLOs are expected to connect learning directly to real-world outcomes: job performance, skill growth, and even revenue. Here’s how the best are doing it.

 

6 Metrics Every Learning Leader Should Track

1. Learning Engagement Rate

Are your people actually interacting with the training? Are they participating, responding to prompts, finishing modules? High engagement = relevant and effective content. Low engagement? Time for a rethink.

2. Knowledge Retention Rate

It’s not what they learn—it’s what they remember. Use quizzes or practical tests right after training, then again 30 and 90 days later. If retention is dropping off, it’s a sign you need reinforcement strategies.

Tip: Evaluate by topic to find specific knowledge gaps. Measure percent correct compared to the immediate post-training baseline.

3. Skill Acquisition & Competency Growth

How much are learners improving? Compare pre- and post-training assessments using self-ratings, manager reviews, or even hands-on demos. Use a skill matrix or competency framework for deeper insight.

Example: A leadership training might measure growth in decision-making, team management, or strategic thinking—on a 1–5 scale from novice to expert.

4. On-the-Job Application

Can learners actually use what they’ve learned? Check in 30–90 days post-training with supervisor feedback, peer reviews, or changes in performance metrics (like productivity or error rates).

For sales teams? Track deal sizes, close rates, or customer feedback to see if training is paying off in real terms.

5. Business Impact

Draw a clear line from learning to outcomes: increased sales, better customer satisfaction, fewer mistakes. This is where L&D earns its seat at the strategy table.

6. ROI (Return on Investment)

This is the money question—literally. ROI shows the financial return from your training spend.

Formula: ROI = (Business Impact – Cost of Training) ÷ Cost of Training × 100
Example: Spend $50K on training, gain $150K in revenue? That’s a 200% ROI.

Beyond ROI: Total Learning Value

Sure, ROI matters. But what about engagement? Retention? Innovation? Smart organizations are building scorecards that combine quantitative and qualitative data to capture the full value of learning. It’s not just about dollars—it’s about momentum.

Putting It All Into Practice

So how do you make this real? Here's what leading organizations are doing:

  • Build a data-driven culture. Encourage decisions backed by learning data. One pharma company uses dashboards to correlate training activity with sales performance—and guides coaching based on what they find.
  • Use the right tech. Modern learning systems offer analytics that integrate with your CRM, HRIS, and other tools. A financial firm linked its LMS to its CRM to track how compliance training improved customer service ratings.
  • Align to business goals. Learning goals should mirror business priorities. A retail brand aligned product training with quarterly upsell targets—then measured the results.
  • Continuously improve. Test formats and approaches, track the data, and refine content. A fast moving IT company uses A/B testing to optimize training in real-time.

In the recent past, learning measurement was limited to basic feedback forms and completion rates. These methods provided little insight into how learning impacted job performance or business goals. Today, more sophisticated measurements are required to justify increased learning commitments and cost.

 

Key Metrics to Assess Learning Performance and ROI

To effectively measure learning performance and ROI, organizations should track the following key metrics:

1. Learning Engagement Rate:

Measure the level of participation and interaction with learning content. High engagement rates indicate relevance and effectiveness, while low engagement signals the need for content adjustment.

 

2. Knowledge Retention Rate:

Assesses how much information learners retain over time through follow-up assessments. This metric helps determine the long-term impact of training and the need for reinforcement learning.

  • How to Measure: Conduct periodic assessments(e.g., quizzes or practical tests) at multiple intervals, such as immediately after training, 30 days later, and 90 days later.
  • Amount of Detail: Evaluate at the granular level, focusing on specific learning objectives and key concepts to determine which areas have high or low retention.
  • Units of Measure: Percentage of correct answers compared to the baseline score, showing the proportion of knowledge retained.
  • Baseline: The score immediately after training serves as a baseline, representing 100% retention upon learning completion. The  baseline is most accurate and useful when assessments are done frequently after short chunks of learning.

3. Skill Acquisition and Competency Change:

Compares skills and competencies using pre- and post-training assessments.

  • How to Measure: Use competency assessments before and after training to evaluate skill improvement. Methods include self-assessments, peer reviews, supervisor evaluations, and practical skill demonstrations.
  • Units of Measure: Measured as a percentage increase in competency levels or skill scores. In some cases, proficiency levels (e.g., beginner, intermediate, advanced) are used.
  • Baseline: The pre-training assessment score serves as the baseline, establishing the learner's initial skill level.
  • Additional Detail: Competency frameworks or skill matrices can be used to provide detailed insights into specific skill areas, offering a comprehensive view of growth and development.
  •  Example of a Competency Framework: A leadership competency framework might include strategic thinking, decision-making, communication, and team management. Each competency is rated on a scale from 1to 5 (Novice to Expert), with behavioral indicators defining what each level looks like in practice.
  • Example of a Skill Matrix: In software development teams, skill matrices list programming languages (e.g., JavaScript,Python, C++) and proficiency levels (e.g., Basic, Intermediate, Advanced,Master).

 4. Application of Learning on the Job:

Measure the transfer of knowledge to practical work scenarios, often through on-the-job assessments or manager feedback.

  • How to Measure: Use observational assessments, supervisor feedback, and performance metrics (e.g., productivity, error rates, customer satisfaction) to evaluate how well employees apply new skills on the job.
  • Time Period: Measurement should happen within 30to 90 days after training to allow sufficient time for skill application and observation.
  • Units of Measure: Percentage improvement in performance metrics (e.g., a 20% increase in productivity), qualitative feedback ratings, or frequency of correct application of new skills.
  • Baseline: Pre-training performance metrics or initial observations provide the baseline for comparison.
  • Additional Detail: Feedback from peers, subordinates, and supervisors offer a well-rounded view of behavior change and skill application. In sales roles, metrics such as conversion rates or transaction value directly reflect the impact of learning on job performance.

5. Business Impact:

Correlate learning outcomes with key business metrics such as sales performance, customer satisfaction, and employee productivity. This provides a clear connection between learning initiatives and business goals.

6. Return on Investment (ROI):

Calculate the financial return on learning investment by comparing the cost of training with measurable business outcomes. This key metric, expressed as a percentage, validates the financial value of learning programs.

  • Net Benefit = Total BusinessImpact - Total Cost of Training
  • Total Cost of Training includes development costs, delivery expenses, learning platforms, and employee time spent on training.
  • Units of Measure: Expressed as a percentage. For example, an ROI of 200%means that for every dollar spent, the organization gained two dollars in return.
  • Baseline: Establish baseline performance metrics before training to compare against post-training outcomes.
  • Example Calculation: ROI = Net Benefit/Cost x 100. For example if a sales training program costs $50,000 and leads to a $150,000 increase in sales revenue, thenNet Benefit = $150,000 - $50,000 = $100,000. The ROI would be 200%.

Graph depicting training impact metrics and KPIs for corporate learning by REACHUM, an active learning platform provider.

Conclusion: The Future of Learning Measurement

As the business climate grows in complexity we must adopt methods that assure us and our stakeholders that workforce skills are keeping pace. By embracing the latest methods of assessing learning value and aligning it with business results,  organizations gain a deeper understanding of how learning impacts business performance. This strategic approach to learning measurement enhances the value of L&D investments and empowers organizations to build more agile, innovative, and high-performing workforces.

Advanced learning measurement is no longer a luxury; it is a necessity for organizations that wish to thrive. Using modern techniques,L&D leaders can confidently report the impact of their initiatives, proving the value of learning and contributing to the overall success of their organizations.

Randall Tinfow, CEO of REACHUM, has been at the forefront of learning science and technology for more than 25 years. His work for Simon & Schuster School Group and AT&T are in the permanent collection of the Paley Center for Media.

REACHUM. Teach smarter.