1. International comparisons show that the yardstick for educational success is no longer just national standards, but how a country's education system compares to the best performing systems globally.
2. Data from PISA and other international assessments can help countries understand where their education system currently stands and what the highest achieving countries have been able to accomplish.
3. Making improvements will require considering different policy levers emerging from international benchmarks, such as improving instructional quality, increasing autonomy and accountability of schools, and ensuring access to high-quality teaching.