On November 18, 2023, Demonstration School students Participated in the high school chemistry quiz competition (chemtest) at Kasetsart University (Bang Khen). The names are as follows:
1. Mr. Panupong Chanchanakit M.5/3
2. Miss Issarawan Chuphongseth, M.5/3
3. Miss Thidarat Khotawongchan M.5/3
4. Mr. Kwankhao Yamsri M.5/4
Supervised by Teacher Yutthana Rattanasuwan
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