On the auspicious occasion of Her Majesty Queen Suthida Bajrasudhabimalalakshana’s Birthday Anniversary on 3 June 2026, Arthit Ourairat Institution, together with British International School, Phuket (BISP), SBS International School Bangkok, SBS International School Chiangmai, and SBS Rangsit, humbly extends our loyal greetings and best wishes to Her Majesty The Queen.

Long live Her Majesty Queen Suthida.