Education in Chachoengsao, Thailand: official figures
In the 2024 (B.E. 2567) O-NET national tests, Grade 6 students in Chachoengsao averaged Thai 53.5, maths 28.5, science 42.7, English 32.9 (marks out of 100). The national averages were Thai 54.2, maths 29.2, science 42.9, English 33.5. Across the four subjects Chachoengsao averaged 39.4 against 39.9 nationally, ranking 37th lowest of 77 provinces.
How well do Grade 9 students in Chachoengsao do in the O-NET exams?
In the 2024 (B.E. 2567) O-NET national tests, Grade 9 students in Chachoengsao averaged Thai 48.2, maths 25.2, science 33.4, English 29.8 (marks out of 100). The national averages were Thai 48.9, maths 26.5, science 34.2, English 30.9. Across the four subjects Chachoengsao averaged 34.1 against 35.2 nationally, ranking 31st lowest 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 Chachoengsao do in the O-NET exams?
In the 2024 (B.E. 2567) O-NET national tests, Grade 12 students in Chachoengsao averaged Thai 43.7, maths 24.3, science 30.0, English 33.6, social studies 36.7 (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 Chachoengsao averaged 33.7 against 31.9 nationally, ranking 16th 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 Chachoengsao?
7,758 Grade 6, 6,453 Grade 9 and 2,175 Grade 12 students in Chachoengsao 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 Chachoengsao improving?
The average O-NET mark in Chachoengsao moved from Grade 6 40.9 to 39.4, Grade 9 34.4 to 34.1 and Grade 12 30.2 to 33.7 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 Chachoengsao?
In English, students in Chachoengsao averaged 32.9 in Grade 6, 29.8 in Grade 9 and 33.6 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 Chachoengsao compares with other provinces
O-NET average mark, Grade 6 (2024 (B.E. 2567))
Chachoengsao ranks 41 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 |
|---|---|---|
| 38 | Phangnga | 39.6 |
| 39 | Sing Buri | 39.6 |
| 40 | Prachin Buri | 39.4 |
| 41 | Chachoengsao | 39.4 |
| 42 | Udon Thani | 39.2 |
| 43 | Lop Buri | 38.9 |
| 44 | Nakhon Sawan | 38.8 |
O-NET average mark, Grade 9 (2024 (B.E. 2567))
Chachoengsao ranks 47 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 |
|---|---|---|
| 44 | Lop Buri | 34.5 |
| 45 | Nakhon Ratchasima | 34.5 |
| 46 | Prachin Buri | 34.4 |
| 47 | Chachoengsao | 34.1 |
| 48 | Yasothon | 34.1 |
| 49 | Roi Et | 33.9 |
| 50 | Buri Ram | 33.9 |
O-NET average mark, Grade 12 (2024 (B.E. 2567))
Chachoengsao ranks 16 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 |
|---|---|---|
| 13 | Amnat Charoen | 34.1 |
| 14 | Phayao | 34.0 |
| 15 | Rayong | 33.9 |
| 16 | Chachoengsao | 33.7 |
| 17 | Samut Prakan | 33.4 |
| 18 | Mukdahan | 33.3 |
| 19 | Nakhon Pathom | 33.3 |
More on Chachoengsao: 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…)
Each saved copy is the file exactly as downloaded, kept so the figures can be checked even if the source changes. Report an error.