The school's yearly magazine, Darulaman ("the abode of peace"), takes its name from the state of Kedah's honorific title.

In 1910, Mohamad bin Iskandar resigned and returned to the Penang Free School leaving the G.E.S.

Ismail Merican, another Senior Assistant Master at the Penang Free School, was appointed Headmaster the following year.

The student body had grown to 97, more than the building could accommodate, so some classes had to be held in the open air.

Here also the accommodation was insufficient for the number of pupils, who occupied cubicles in the small, dark rooms, with many seated on the floor.

Ariffin (Secretary to the Government), and Che Ismail Merican (Headmaster of the school) selected an area of about 30 acres (120,000 m2) at Tanjung Bendahara.

Provision was made for future expansion, allowing adequate space for playing fields and more classrooms to accommodate over a thousand pupils.

By 1926 over 400 pupils were enrolled, and the government appointed a committee to make recommendations for future English education in the state.

Stuart died the next year at Pulau Tikus Sanatorium, Penang, and soon afterward the college built a library and named it after him.

After World War II, more girls were admitted, and in 1953 the Darulaman Magazine commented: "Owing to the shortage of teachers and the small number of students in Kampong Baru Girls' School (KBGS), co-education has been introduced into the Sultan Abdul Hamid College (SAHC)[4] in 1948.

In 1991, Prime Minister Mahathir Mohamad pledged $2 million to support the restoration and renovation of the college buildings.