
Average number of pupils per trained teacher in secondary education
Rankings at a glance
Highest 10 · Average number of pupils per trained teacher in secondary education (2024)
Among the 55 countries with 2024 data, Syria has the highest average number of pupils per trained teacher in secondary education at 71.93 pupils/teacher in 2024, followed by Chad (65.24 pupils/teacher) and Puerto Rico (60.52 pupils/teacher). Niger (59.52 pupils/teacher) and Indonesia (56.79 pupils/teacher) complete the top 5. Bangladesh (47.91 pupils/teacher) and Peru (41.88 pupils/teacher) follow close behind. Rwanda (38.08 pupils/teacher), Nepal (35.64 pupils/teacher), and Nauru (34.27 pupils/teacher) round out the top ten. The spread across the top ten is substantial: Syria has 2.1× the figure recorded by Nauru (34.27 pupils/teacher). Four of the top ten are in Asia. Among these countries, Niger saw the largest year-over-year change at -50.0%.
Rank changes
How average number of pupils per trained teacher in secondary education changed between 2023 and 2024
Historical trends
Key terms
- Literacy rate
- — Percentage of population who can read and write a short, simple statement about everyday life.
- Gross enrollment ratio
- — Total enrollment in a level of education, regardless of age, expressed as a percentage of the eligible school-age population.
- Completion rate
- — Percentage of a cohort of children who complete a given level of education.
- Out-of-school rate
- — Percentage of children of official school age who are not enrolled in school.
- Pupil-teacher ratio
- — Enrolled pupils per TRAINED teacher at a given level of education. It measures how thinly trained teachers are spread, not average class size: the ratio rises when fewer teachers meet the training requirement, whatever happens to the number of pupils in a room.
- Educational attainment
- — Highest level of education completed by the population aged 25 and over.
Frequently asked questions
- Which country has the lowest average number of pupils per trained teacher in secondary education?
- San Marino has the lowest average number of pupils per trained teacher in secondary education among the 55 countries with 2024 data at 6.25 pupils/teacher as of 2024, according to UNESCO Institute for Statistics.
- Which country has the highest average number of pupils per trained teacher in secondary education?
- Syria has the highest average number of pupils per trained teacher in secondary education among the 55 countries with 2024 data at 71.93 pupils/teacher as of 2024, according to UNESCO Institute for Statistics.




