His Majesty was pleased to build a palace in Pathumwan field called "Windsor Palace", commonly known as "Phra Tamnak Hor Wang" because it is a building with a high tower.

After Vajirunhis died unexpectedly due to typhoid fever at the age of 16, the palace was converted from a residence to a school for the Civil Service of His Majesty King Chulalongkorn Has, who enshrined the school as Chulalongkorn University on March 26, 1916.

In 1935, the Department of Physical Education entered into a land lease agreement in Wang Mai Subdistrict, and demolishing the university building to build a national stadium called Horwang Secondary School of Chulalongkorn University.

Until 1938, Chulalongkorn University was temporarily moved to a new school building on Phayathai Road.

In 1966, alumni from Horwang Secondary School of Chulalongkorn University came together to establish a High School Alumni Association for Chulalongkorn University and decided at a meeting of the board of directors that the school should be restored to be a gathering place for former students.