Pupil-teacher ratio, secondary in Thailand

Thailand: Pupil-teacher ratio, secondary was 25.95 in 2018. ▲ Rising

Latest (2018)
25.95
Change on year
down 1.6%
World rank
29th
of 190 countries
All-time high
29.54
in 2014
All-time low
15.53
in 1971
Years of data
24
1971–2018

Pupil-teacher ratio, secondary in Thailand, 1971–2018

01020301971199420181971: 15.51974: 23.21977: 26.91978: 23.41984: 18.71985: 191987: 17.61988: 17.11989: 16.31990: 16.21991: 16.71992: 18.21993: 19.21994: 20.22001: 242002: 242006: 21.72007: 212008: 21.22014: 29.52015: 28.22016: 26.62017: 26.42018: 25.9

Source: Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO).

Analysis

The most recent figure for pupil-teacher ratio, secondary in Thailand is 25.95, measured in 2018.

The figure is down 1.6% on the previous year and up 22.2% over ten years.

Over the whole period, pupil-teacher ratio, secondary in Thailand peaked at 29.54 in 2014 and was at its lowest, 15.53, in 1971.

That places Thailand 29th out of 190 countries with data for 2018, putting it in the top quarter.

The long-run direction has been consistently rising across the 24 years of available data.

Pupil-teacher ratio, secondary in Thailand, year by year

Annual values for Pupil-teacher ratio, secondary in Thailand, 1971 to 2018.
Year Value Change
1971 15.53
1974 23.2 +49.4%
1977 26.91 +16.0%
1978 23.43 -12.9%
1984 18.73 -20.1%
1985 19 +1.4%
1987 17.56 -7.6%
1988 17.12 -2.5%
1989 16.26 -5.1%
1990 16.22 -0.2%
1991 16.66 +2.7%
1992 18.23 +9.4%
1993 19.19 +5.3%
1994 20.16 +5.1%
2001 24.04 +19.2%
2002 24 -0.2%
2006 21.69 -9.6%
2007 21.01 -3.1%
2008 21.22 +1.0%
2014 29.54 +39.2%
2015 28.15 -4.7%
2016 26.63 -5.4%
2017 26.37 -1.0%
2018 25.95 -1.6%

Thailand compared with similar countries

  • Thailand's 25.95 is above the median for upper middle income countries, which is 14.04, 1.8× the median. (50 countries reporting)
  • Thailand's 25.95 is above the median for East Asia & Pacific, which is 16.33, 1.6× the median. (28 countries reporting)

Biggest year-on-year movements

Years where Pupil-teacher ratio, secondary in Thailand 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.

YearChange FromTo
1974 +49.4% 15.53 23.2

Averages by decade

DecadeAverage LowestHighest Years
1970s 22.27 15.53 26.91 4
1980s 17.73 16.26 19 5
1990s 18.09 16.22 20.16 5
2000s 22.39 21.01 24.04 5
2010s 27.33 25.95 29.54 5

Countries ranked near Thailand

  1. 26 Burundi 26.6 compare
  2. 27 East Timor 26.55 compare
  3. 28 Togo 26.25 compare
  4. 30 Solomon Islands 25.92 compare
  5. 31 Mauritania 25.92 compare
  6. 32 Colombia 25.91 compare

See the full ranking of 233 places →

More education data for Thailand

All data for Thailand →

Frequently asked questions

What is pupil-teacher ratio, secondary in Thailand?
Pupil-teacher ratio, secondary in Thailand was 25.95 in 2018, according to Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO).
What is the highest pupil-teacher ratio, secondary recorded in Thailand?
The highest recorded value was 29.54 in 2014.
What is the lowest pupil-teacher ratio, secondary recorded in Thailand?
The lowest recorded value was 15.53 in 1971.
How does Thailand rank for pupil-teacher ratio, secondary?
Thailand ranks 29th out of 190 countries with data for 2018.
Is pupil-teacher ratio, secondary rising or falling in Thailand?
Over the last ten years it is up 22.2%. The long-run trend across the full record is rising.
Where does this Thailand 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 — 24 observations, free to reuse under CC BY 4.0 (World Bank Open Data).

Share, cite or embed this page

Cite this page

Pupil-teacher ratio, secondary in Thailand. Statizoid, drawing on Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 22 September 2026, from https://education.statizoid.com/stat/pupil-teacher-ratio-secondary/thailand/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://education.statizoid.com/stat/pupil-teacher-ratio-secondary/thailand/">Pupil-teacher ratio, secondary in Thailand</a> — Statizoid

About this data

Indicator
Pupil-teacher ratio, secondary
Source
Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
233 places, 6,299 data points, 1970–2019
Last refreshed

Secondary school pupil-teacher ratio is the average number of pupils per teacher in secondary school.