Which has higher lower secondary school starting age, Puerto Rico or Sao Tome and Principe?

Puerto Rico, at 12 years against 12 years in Sao Tome and Principe as of 2025.

What is the difference in lower secondary school starting age between Puerto Rico and Sao Tome and Principe?

0 years, with Puerto Rico ahead.

How many years of comparable data are there for Puerto Rico and Sao Tome and Principe?

29 years are reported by both, from 1997 to 2025.

Where does this data come from?

Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Lower secondary school starting age (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Puerto Rico vs Sao Tome and Principe: Lower secondary school starting age

Puerto Rico

12 years

in 2025

Sao Tome and Principe

12 years

in 2025

Puerto Rico rank

30th

Sao Tome and Principe rank

30th

Lower secondary school starting age over time

Puerto Rico
Sao Tome and Principe

How they compare

Puerto Rico currently reports 12 years against 12 years in Sao Tome and Principe, a difference of 0 years.

The two have swapped places 1 time across 29 shared years of data; in 1997 it was Puerto Rico ahead.

Puerto Rico ranks 30th and Sao Tome and Principe ranks 30th of 209 countries.

Across the 4 decades both report, Puerto Rico averaged higher in 1 and Sao Tome and Principe in 1.

Head to head by decade

Decade	Puerto Rico	Sao Tome and Principe	Difference	Ahead
1990s	12 years	11.67 years	0.3333 years	Puerto Rico
2000s	12 years	12.6 years	0.6 years	Sao Tome and Principe
2010s	12 years	12 years	0 years	—
2020s	12 years	12 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher lower secondary school starting age, Puerto Rico or Sao Tome and Principe?: Puerto Rico, at 12 years against 12 years in Sao Tome and Principe as of 2025.
What is the difference in lower secondary school starting age between Puerto Rico and Sao Tome and Principe?: 0 years, with Puerto Rico ahead.
How many years of comparable data are there for Puerto Rico and Sao Tome and Principe?: 29 years are reported by both, from 1997 to 2025.
How do Puerto Rico and Sao Tome and Principe rank globally for lower secondary school starting age?: Puerto Rico ranks 30th and Sao Tome and Principe ranks 30th of 209 countries.
Where does this data come from?: Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Lower secondary school starting age (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Puerto Rico vs Sao Tome and Principe: Lower secondary school starting age. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 06 September 2026, from https://education.statizoid.com/compare/lower-secondary-school-starting-age-years/puerto-rico-us/sao-tome-and-principe/

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<a href="https://education.statizoid.com/compare/lower-secondary-school-starting-age-years/puerto-rico-us/sao-tome-and-principe/">Puerto Rico vs Sao Tome and Principe: Lower secondary school starting age</a> — Statizoid

About this data

Indicator: Lower secondary school starting age (years)
Unit: years
Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 209 places, 11,411 data points, 1970–2025
Last refreshed: 03 September 2026

Lower secondary school starting age is the age at which students would enter lower secondary education, assuming they had started at the official entrance age for the lowest level of education, had studied full-time throughout and had progressed through the system without repeating or skipping a grade.