Local Exam Rigging Probe Expands as Authorities Hunt for Masterminds
The 2025 local government exam corruption scandal reveals systematic cover-ups, prompting calls to trace financial and political trails.

Stock photo for illustration only, not from the actual event
- NACC, Anticorruption Division, and CIB raided Sam Mueang Co. in Nonthaburi, catching 11 local officials manipulating scores.
- A total of 5,960 applicants were found to have their scores altered from failing to passing.
- Bribes ranged from 450,000 to 1,000,000 baht per applicant, with estimated total damages reaching 4.5 to 5 billion baht.
- Calls grow for the government to investigate upstream decisions regarding the cancellation of Burapha University's contract.
The 2025 local government personnel recruitment scandal has evolved far beyond a simple exam-cheating case. Investigators have uncovered secondary layers of unlawful actions aimed at falsifying retroactive evidence, concealing original violations, and shielding perpetrators from accountability.
On June 22, 2026, the National Anti-Corruption Commission (NACC), alongside the Anticorruption Division (PPD) and the Central Investigation Bureau (CIB), executed search warrants at Sam Mueang Company in Nonthaburi Province. Authorities caught 11 local government officials red-handed handling answer sheets and digital score files, while seizing various electronic devices and crucial evidence.
According to briefings provided to the House Committee on Legal Affairs, Justice and Human Rights, the core issue centers on 5,960 test-takers whose statuses were illicitly flipped from failing grades to passing scores. Because the Central Committee of Local Personnel Examination (KST) had already published the initial lists and proceeded with official hirings, the fraud had already materialized within the bureaucratic system and state budget.

Stock photo for illustration only, not from the actual event
Although the KST recently announced the cancellation of certain eligible candidate lists and issued new ones for Southern Region Zones 1 and 2, administrative adjustments cannot erase prior criminal liabilities. Investigators must determine how failing candidates managed to appear on the official lists, tracing who drafted, submitted, reviewed, and approved the changes, as well as checking if disqualified individuals held close ties to high-ranking politicians or officials.
"Administrative corrections today cannot erase prior criminal liabilities, and investigations must reach the true masterminds."
Thawi
From a criminological perspective, structural corruption thrives when illicit rewards in money, positions, and power heavily outweigh the low risks of punishment. When such networks embed themselves deeply within state apparatuses, prosecuting only low-level operators stationed in front of computers is insufficient. Comprehensive probes must track information flows, financial trails, and power networks simultaneously to prevent accountability from being truncated.
Furthermore, the government must address the upstream root causes stemming from executive decisions. This includes examining the suspension of contract signings and the cancellation of Burapha University's winning bid following directives from former interior ministry executives. The administration must clarify who ordered and benefited from altering the examination process before the massive corruption unfolded.
Source: Matichon Politics
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