The Methodist church established the school in 1940, apparently to fill a vacuum left by the establishment of Mmofraturo Girls Boarding School. The Church needed a middle boarding school for only boys.
The school started in a located directly opposite Freeman College, Kumasi, Ghana. Within a few years, the enrolment shot up and as a result, the church began look a permanent site for the school.
The leadership of the church went to Manhyia to find a parcel of the land for construction of the school. Fortunately, the Akroponghene at that time, Nana kwabena Sarfo II, had earlier on informed Otumfour Sir Osei Agyemang Prempeh II, about his disappointment over a land he had offered to a group of people to build a school, which they refused to take.
Otumfour sir Agyemang Prempeh II, shown keen interest in building the school.
He further directed that the school be name after Otumfour Sir Osei Tutu, the founder of the Asante kingdom. In recognition of the effort by Otumfour, Sir Agyemang II and Kwabina Sarfo II, Akroponghene, the two premier houses in the school were named after them.
The founding Headmaster was Rev. Arthur W. Banks, M.A, and B.sc, after whom Banks house is named. Rev. Banks was assisted by Messrs A.C Denteh and Eric Awuah.
From the beginning, Osei Tutu has produced illustrious sons. There were 13 pupils in the initial class.
The initial class produced such prominent Ghanaians such as Dr. Charles Graham, one time senior lecturer of KNUST, Mr. Isaac Oguame Tettey, B.Sc., B com (former solicitor and advisor to the Bank of Ghana), Peter James Adjei (one time great footballer and coach of the Black Stars) , and Mr. Peter Kofi ,B.A.B. Com one time resident in the UK Eminent citizens such as His excellency former President J.A kuffour(one time minister of Defense) and Justice Amoah Sakyi , Chairman of the National reconciliation commission and a host of others have passed through the Middle Boarding School.
In February 1946, the school under Mr. J.G Quansah, Manager of Avenida Hotel, and Accra relocated to the present site, enrolment at that time was 120 boys under the supervision of 5 teachers.
The school as however closed down in November 1954 because parents could not pay the increased fees.
On November 24, 1955 the school reopened as a two-year certificate “B” Training College with the late Mr. A.K. Folson as the first principal.
The teacher training phase began with 60 students and 5 Tutors. By 1956 the infrastructure including four two story dormitories, each with an attached staff accommodation.
Six classrooms, one craft shed, a kitchen and a principal bungalow had been built. Mr. Folson died on 28th July, 1961 and is memorialized in Folson house. He was succeeded by Rev.C.k Yamoah, B.D. (Lord), and a onetime president of the Methodist church of Ghana in September 1961.
Osei Tutu College grew significantly under Rev. Yamoah. The college changed from 2-year certificate “B” to a4 year certificate “A” infrastructurally, the college expanded as well.
In 1965 a new two storey dormitory was added to accommodate 120 students. Construction of a large dinning-cum-assembly Hall, a Library, a Science block and three detached staff bungalows were completed in 1968.
Rev. C.K Yamoah also added three more bungalows from the unspent balance of college grants. In addition to these, electricity and pipe borne water were also provided by the government I 1968.
On 22nd September, 1966, Mr. J.O.T. Ansah, B.A. (Hons) D.A, ED. succeeded Rev. Yamoah as Principal. Enrolment then was 166 students with 11 tutors. Further expansion was vigorously pursed with a new layout of the campus with the provision of spring beds, foam mattresses, and furniture for staff bungalows which were built from College reserved funds since 1969.
Total enrolment in 1971/72 was 386. Osei Tutu Training College excelled academically and in sports and always placed among the top five Training Colleges in Ghana.
Osei tutu training College was one of the many Training Colleges that were converted to secondary Schools. Osei Tutu training College was administered as a dual institution until the training component was phased out in 1975.
Paapa J.O.T Ansah led the Training College into the Secondary era and was succeeded by Mr. Amo Polley, the then Vice principal. Since then other Headmasters who have in charge of the school are listed below.
Peprah-Yeboah house, was named after Very Rev. Samuel Peprah-Yeboah, the eleventh headmaster for his contribution in the development of the school.
Source: https://ashsrc.com/osei-tutu-shs/