Pupil-teacher ratio, secondary in Tonga
Tonga: Pupil-teacher ratio, secondary was 14.55 in 2015. ▼ Falling
Pupil-teacher ratio, secondary in Tonga, 1970–2015
Source: Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO).
Analysis
In 2015, pupil-teacher ratio, secondary in Tonga stood at 14.55.
That represents a change of up 8.5% on the previous year and down 2.0% over ten years.
Over the whole period, pupil-teacher ratio, secondary in Tonga peaked at 23.74 in 1970 and was at its lowest, 9.74, in 1998.
That places Tonga 94th out of 190 countries with data for 2015, putting it in the middle of the range.
The long-run direction has been consistently falling across the 19 years of available data.
Pupil-teacher ratio, secondary in Tonga, year by year
| Year | Value | Change |
|---|---|---|
| 1970 | 23.74 | — |
| 1984 | 19.94 | -16.0% |
| 1985 | 18.13 | -9.1% |
| 1986 | 17 | -6.2% |
| 1990 | 17.73 | +4.2% |
| 1991 | 16.92 | -4.5% |
| 1998 | 9.74 | -42.4% |
| 1999 | 14.62 | +50.1% |
| 2000 | 14.63 | +0.0% |
| 2001 | 13.84 | -5.4% |
| 2002 | 14.39 | +4.0% |
| 2007 | 14.85 | +3.1% |
| 2008 | 14.82 | -0.2% |
| 2009 | 14.96 | +0.9% |
| 2010 | 14.88 | -0.5% |
| 2011 | 14.57 | -2.1% |
| 2013 | 13.3 | -8.7% |
| 2014 | 13.41 | +0.8% |
| 2015 | 14.55 | +8.5% |
Tonga compared with similar countries
- Tonga's 14.55 is above the median for upper middle income countries, which is 14.04, 1.0× the median. (50 countries reporting)
- Tonga's 14.55 is below the median for East Asia & Pacific, which is 16.33, 89% of the median. (28 countries reporting)
Biggest year-on-year movements
Years where Pupil-teacher ratio, secondary in Tonga changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1999 | +50.1% | 9.74 | 14.62 |
| 1998 | -42.4% | 16.92 | 9.74 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 23.74 | 23.74 | 23.74 | 1 |
| 1980s | 18.36 | 17 | 19.94 | 3 |
| 1990s | 14.75 | 9.74 | 17.73 | 4 |
| 2000s | 14.58 | 13.84 | 14.96 | 6 |
| 2010s | 14.14 | 13.3 | 14.88 | 5 |
Countries ranked near Tonga
More education data for Tonga
- Teachers in secondary education, both sexes (number), gaps filled 1,086 (2015)
- Repeaters in primary education, all grades, both sexes (number), gaps 20 (2024)
- Enrolment in pre-primary education, male (number), gaps filled 1,228 (2024)
- Enrolment in pre-primary education, female (number), gaps filled 1,164 (2024)
- Secondary education, pupils, gaps filled 16,132 (2024)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 15,644 (2024)
- Primary education, pupils, annual growth rate -2.92 % change on previous year (2024)
- Primary education, pupils, per unit of GDP 0 units per US$ of GDP (2024)
- Primary education, pupils, per capita 0.1502 units per person (2024)
Frequently asked questions
- What is pupil-teacher ratio, secondary in Tonga?
- Pupil-teacher ratio, secondary in Tonga was 14.55 in 2015, according to Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO).
- What is the highest pupil-teacher ratio, secondary recorded in Tonga?
- The highest recorded value was 23.74 in 1970.
- What is the lowest pupil-teacher ratio, secondary recorded in Tonga?
- The lowest recorded value was 9.74 in 1998.
- How does Tonga rank for pupil-teacher ratio, secondary?
- Tonga ranks 94th out of 190 countries with data for 2015.
- Is pupil-teacher ratio, secondary rising or falling in Tonga?
- Over the last ten years it is down 2.0%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Pupil-teacher ratio, secondary. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 19 observations, free to reuse under CC BY 4.0 (World Bank Open Data).
About this data
Secondary school pupil-teacher ratio is the average number of pupils per teacher in secondary school.