Here's the indicators that bloomberg uses for constructing the factor: 1. Gross tertiary enrollment ratio 2. Percentage of working-age population with advance

Here's the indicators that bloomberg uses for constructing the factor: 1. Gross tertiary enrollment ratio 2. Percentage of working-age population with advanced level of education 3. Annual new science and engineering graduates as a percentage total tertiary graduates 4. Annual new science and engineering graduates as a percentage of the labor force