Under the patronage and guidance of King Chulalongkorn the school grew quickly, changing its focus from military training to a more broadly-based curriculum that reflected the needs of its students. The number of students rapidly swelled to many hundreds. Some were relocated to other educational institutes outside the Grand Palace area (1893) such as Sunanthalai Garden and Thepsirin Temple school, and to its present site, originally donated by Wat Lieb (or Rachaburana Temple) in 1910. The opening of the first building at this site (called the Memorial Suan Kularb Building, but known among students as "the long building" because for many years it was the longest building in the country) was presided over by King Rama V. At this event he declared the importance of education as a means of developing the country.