Wai Khru Ceremony 23 September 2016 News and Events IPSR students attended Wai Khru Ceremony. Wai Khru Ceremony is a Thai ritual in which students pay respects to their teachers in order to express their gratitude and formalize the student–teacher relationship. The event was held at room 109, IPSR. See more pictures >> แชร์ : Facebook iconFacebookTwitter iconTwitterLINE iconLine