1.First School Building built in 1919 2.Jubilee Building (Building 1) built in 1920. 3. Administration Building ( Building 2-3) built in 1920 4. Dining Room (Building 4) built in 1920 5. Locker and shower Room, Laundry built in 1927. 6. Neilson Hays Memorial Building (Building 5) built in 1932. 7.Primary classes wooden building. No photograph available. 8. Ward (Building 6) built in 1953 9. Wattana Church built in 1958 10. Primary Level Building built in 1961 11. Edna Cole Memorial Building built in 1963 12. Science Class Building for Secondary Level built in 1968 13. Teachers' dormitory (Building 7) built in 1970 14. Swimming Pool built in 1972 15. Centennial Commemoration Building built in 1974 16. Panyakarn Library built in 1981 17. Ellinwood Building built in 1987 18. School Refectory built in 1989 19. Wattana Sampan Gymnasium built in 1990 20. (New) Neilson Hays Memorial Building built in 1995 21. Prapit Kuvanonda Building built in 1997 22. Phra Porn Building - Staff Dormitory built in 1998 23. 130th Anniversary Building built in 2004 24. Ayada Kirinkul Building built in 2007