What is the difference in pupil-teacher ratio, primary between Central Europe and the Baltics and Sao Tome and Principe?

18.5, with Sao Tome and Principe ahead.

How many years of comparable data are there for Central Europe and the Baltics and Sao Tome and Principe?

14 years are reported by both, from 1980 to 2017.

Where does this data come from?

Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO), published as Pupil-teacher ratio, primary. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Central Europe and the Baltics vs Sao Tome and Principe: Pupil-teacher ratio, primary

Central Europe and the Baltics

12.66

in 2018

Sao Tome and Principe

31.16

in 2017

Central Europe and the Baltics rank

43rd

Sao Tome and Principe rank

40th

Pupil-teacher ratio, primary over time

Central Europe and the Baltics
Sao Tome and Principe

How they compare

Sao Tome and Principe currently reports 31.16 against 12.66 in Central Europe and the Baltics, a difference of 18.5.

That makes Sao Tome and Principe's figure about 2.5 times Central Europe and the Baltics's.

Across all 14 years both countries report, Sao Tome and Principe has been ahead every year.

Central Europe and the Baltics ranks 43rd and Sao Tome and Principe ranks 40th of 43 groups.

Sao Tome and Principe has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Central Europe and the Baltics	Sao Tome and Principe	Difference	Ahead
1980s	14.93	28.61	13.69	Sao Tome and Principe
1990s	13.57	34.48	20.9	Sao Tome and Principe
2000s	13.03	30.42	17.39	Sao Tome and Principe
2010s	12.55	32.09	19.54	Sao Tome and Principe

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pupil-teacher ratio, primary, Central Europe and the Baltics or Sao Tome and Principe?: Sao Tome and Principe, at 31.16 against 12.66 in Central Europe and the Baltics as of 2017.
What is the difference in pupil-teacher ratio, primary between Central Europe and the Baltics and Sao Tome and Principe?: 18.5, with Sao Tome and Principe ahead.
How many years of comparable data are there for Central Europe and the Baltics and Sao Tome and Principe?: 14 years are reported by both, from 1980 to 2017.
How do Central Europe and the Baltics and Sao Tome and Principe rank globally for pupil-teacher ratio, primary?: Central Europe and the Baltics ranks 43rd and Sao Tome and Principe ranks 40th of 43 groups.
Where does this data come from?: Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO), published as Pupil-teacher ratio, primary. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Central Europe and the Baltics vs Sao Tome and Principe: Pupil-teacher ratio, primary. Statizoid, drawing on Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 13 September 2026, from https://education.statizoid.com/compare/pupil-teacher-ratio-primary/central-europe-and-the-baltics/sao-tome-and-principe/

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About this data

Indicator: Pupil-teacher ratio, primary
Source: Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 242 places, 8,053 data points, 1970–2019
Last refreshed: 03 September 2026

Primary school pupil-teacher ratio is the average number of pupils per teacher in primary school.