Education in Chon Buri, Thailand: official figures
In the 2024 (B.E. 2567) O-NET national tests, Grade 6 students in Chon Buri averaged Thai 57.6, maths 31.5, science 45.1, English 39.5 (marks out of 100). The national averages were Thai 54.2, maths 29.2, science 42.9, English 33.5. Across the four subjects Chon Buri averaged 43.4 against 39.9 nationally, ranking 6th highest of 77 provinces.
How well do Grade 9 students in Chon Buri do in the O-NET exams?
In the 2024 (B.E. 2567) O-NET national tests, Grade 9 students in Chon Buri averaged Thai 53.9, maths 28.7, science 36.7, English 35.0 (marks out of 100). The national averages were Thai 48.9, maths 26.5, science 34.2, English 30.9. Across the four subjects Chon Buri averaged 38.6 against 35.2 nationally, ranking 3rd highest of 77 provinces.
Source: National Statistical Office of Thailand, from National Institute of Educational Testing Service results · saved copyHow well do Grade 12 students in Chon Buri do in the O-NET exams?
In the 2024 (B.E. 2567) O-NET national tests, Grade 12 students in Chon Buri averaged Thai 45.5, maths 25.6, science 31.2, English 36.9, social studies 38.5 (marks out of 100). The national averages were Thai 42.2, maths 21.8, science 29.0, English 30.6, social studies 35.8. Across the five subjects Chon Buri averaged 35.5 against 31.9 nationally, ranking 3rd highest of 77 provinces.
Source: National Statistical Office of Thailand, from National Institute of Educational Testing Service results · saved copyHow many students take the O-NET in Chon Buri?
19,235 Grade 6, 15,724 Grade 9 and 4,160 Grade 12 students in Chon Buri sat the Thai-language O-NET test in 2024 (B.E. 2567).
Source: National Statistical Office of Thailand, from National Institute of Educational Testing Service results · saved copyAre school test scores in Chon Buri improving?
The average O-NET mark in Chon Buri moved from Grade 6 44.9 to 43.4, Grade 9 37.1 to 38.6 and Grade 12 33.7 to 35.5 between 2023 and 2024 (average of the subject averages; each year's test differs, so compare with caution).
Source: National Statistical Office of Thailand, from National Institute of Educational Testing Service results · saved copyHow good is English in schools in Chon Buri?
In English, students in Chon Buri averaged 39.5 in Grade 6, 35.0 in Grade 9 and 36.9 in Grade 12 in the 2024 O-NET; the national averages were 33.5, 30.9 and 30.6.
Source: National Statistical Office of Thailand, from National Institute of Educational Testing Service results · saved copyHow Chon Buri compares with other provinces
O-NET average mark, Grade 6 (2024 (B.E. 2567))
Chon Buri ranks 6 of 77, highest first. Unweighted average of the subject averages (Thai, maths, science, English), marks out of 100.
| Rank | Region | O-NET average mark, Grade 6 |
|---|---|---|
| 3 | Phrae | 44.1 |
| 4 | Nan | 44.1 |
| 5 | Suphan Buri | 43.8 |
| 6 | Chon Buri | 43.4 |
| 7 | Phatthalung | 43.4 |
| 8 | Phayao | 43.3 |
| 9 | Nakhon Pathom | 43.0 |
O-NET average mark, Grade 9 (2024 (B.E. 2567))
Chon Buri ranks 3 of 77, highest first. Unweighted average of the subject averages (Thai, maths, science, English), marks out of 100.
| Rank | Region | O-NET average mark, Grade 9 |
|---|---|---|
| 1 | Bangkok | 41.7 |
| 2 | Phuket | 40.2 |
| 3 | Chon Buri | 38.6 |
| 4 | Phrae | 37.6 |
| 5 | Nan | 37.6 |
| 6 | Samut Songkhram | 37.3 |
| 7 | Phayao | 37.2 |
O-NET average mark, Grade 12 (2024 (B.E. 2567))
Chon Buri ranks 3 of 77, highest first. Unweighted average of the subject averages (Thai, maths, science, English and social studies), marks out of 100.
| Rank | Region | O-NET average mark, Grade 12 |
|---|---|---|
| 1 | Phuket | 38.8 |
| 2 | Bangkok | 36.1 |
| 3 | Chon Buri | 35.5 |
| 4 | Phrae | 35.3 |
| 5 | Nan | 34.9 |
| 6 | Samut Songkhram | 34.8 |
| 7 | Nonthaburi | 34.7 |
More on Chon Buri: overview · economy and jobs · health · poverty and living standards · Thailand
Sources
- National Statistical Office of Thailand, from National Institute of Educational Testing Service results: O-NET (Ordinary National Educational Test) average scores and number of candidates by province, Grades 6, 9 and 12, B.E. 2566 and 2567 (2023 and 2024), read 24 October 2026 · saved copy (SHA-256 a3f8bdbd67f1…)
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