Greece vs Tonga: Lower secondary school starting age
Greece
12 years
in 2025
Tonga
12 years
in 2025
Greece rank
30th
Tonga rank
30th
Lower secondary school starting age over time
- Greece
- Tonga
How they compare
Greece currently reports 12 years against 12 years in Tonga, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Tonga ahead.
Globally, Greece ranks 30th and Tonga ranks 30th of 209 countries.
Individual pages
About this data
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.