In managing basic education test (Ordinary National Educational Test: O-Net) every year. The result came out will always be in the same direction every year. Children with lower standards in Thailand are always.
In the Test of Basic Education (Ordinary National Educational Test: O-Net) in each year, the results are often the same direction every year is child Thailand knowledgeable substandard regularly.
In the test management basic education (Ordinary National Educational Test: O-Net) every year. The result often เป็นไปใน same direction every year. That is, Thai children with knowledge from standard always.