- 1. As of 2014, out of 96 municipalities with available data, 35 covered lunches for all grades of basic education. municipalities may also decide to fund meals for specific groups of children like those from large or low-income families and orphans.
- 2. A gymnasium (gimnazija) is an institution offering three years of full-time general upper secondary education to students aged 16 to 19. The institution may also offer the last three years of basic education to students aged 13 to 15, thus enabling them to complete basic education (Eurydice, 2014).
- 3. PisA results are normalised to a mean of 500 for oeCD countries. while this average changes slightly across years, it can serve as a useful benchmark.
- 4. The mean performance of 15-year-olds in mathematics in PisA 2012 was 513 score points in cities in latvia (over 100 000 people), 493 in towns (between 3 000 and 100 000 people) and 461 in villages (fewer than 3 000 people), compared to the oeCd averages of 504, 493, and 468 respectively (oECD, 2013d).