Education in Rayong, Thailand: official figures
In the 2024 (B.E. 2567) O-NET national tests, Grade 6 students in Rayong averaged Thai 56.1, maths 30.4, science 45.1, English 36.2 (marks out of 100). The national averages were Thai 54.2, maths 29.2, science 42.9, English 33.5. Across the four subjects Rayong averaged 41.9 against 39.9 nationally, ranking 18th highest of 77 provinces.
How well do Grade 9 students in Rayong do in the O-NET exams?
In the 2024 (B.E. 2567) O-NET national tests, Grade 9 students in Rayong averaged Thai 51.1, maths 27.0, science 35.4, English 33.1 (marks out of 100). The national averages were Thai 48.9, maths 26.5, science 34.2, English 30.9. Across the four subjects Rayong averaged 36.7 against 35.2 nationally, ranking 12th 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 Rayong do in the O-NET exams?
In the 2024 (B.E. 2567) O-NET national tests, Grade 12 students in Rayong averaged Thai 44.8, maths 23.5, science 30.6, English 33.7, social studies 37.2 (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 Rayong averaged 33.9 against 31.9 nationally, ranking 15th 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 Rayong?
10,060 Grade 6, 8,152 Grade 9 and 2,874 Grade 12 students in Rayong 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 Rayong improving?
The average O-NET mark in Rayong moved from Grade 6 43.8 to 41.9, Grade 9 36.9 to 36.7 and Grade 12 35.6 to 33.9 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 Rayong?
In English, students in Rayong averaged 36.2 in Grade 6, 33.1 in Grade 9 and 33.7 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 Rayong compares with other provinces
O-NET average mark, Grade 6 (2024 (B.E. 2567))
Rayong ranks 18 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 |
|---|---|---|
| 15 | Pathum Thani | 42.2 |
| 16 | Prachuap Khiri Khan | 42.1 |
| 17 | Samut Sakhon | 42.1 |
| 18 | Rayong | 41.9 |
| 19 | Lamphun | 41.7 |
| 20 | Trang | 41.7 |
| 21 | Trat | 41.7 |
O-NET average mark, Grade 9 (2024 (B.E. 2567))
Rayong ranks 12 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 |
|---|---|---|
| 9 | Pathum Thani | 36.9 |
| 10 | Nonthaburi | 36.9 |
| 11 | Samut Prakan | 36.8 |
| 12 | Rayong | 36.7 |
| 13 | Nakhon Pathom | 36.6 |
| 14 | Nakhon Si Thammarat | 36.5 |
| 15 | Trang | 36.5 |
O-NET average mark, Grade 12 (2024 (B.E. 2567))
Rayong ranks 15 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 |
|---|---|---|
| 12 | Songkhla | 34.3 |
| 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 |
More on Rayong: overview · economy and jobs · health · 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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