AGGREY CHAPEL
This is the largest chapel in the school. It was named after one of the founding members of the school. The chapel can hold about one thousand students. It is also the place where morning devotion assembly is held. This chapel brings all religious groups together Some school functions or activities are also held there. Eg. OAA leavers memorial service.
CATHOLIC CHAPEL
This is the place where Catholics go for their morning mass. Some school activities such as students and administration forums are also held over there.
ASSEMBLY HALL
This is a place where most school activities take place. The assembly hall was built to cater for all students for morning devotion. But in 1995, morning service was moved to the Aggrey Chapel because of the increasing number of students in the school. Speech And Price Giving Day ceremonies are held over there as well as school entertainment such as film shows.
ADMINISTRATION BLOCK
This is the most important building in the school. This is where the principal and her Assistants have their offices. The admission of students and the paying of school fees go on in this building. The administration block holds all records of the school, be it past or what is about to happen. It is the largest and biggest building in the school, and the only building that is two storied. All notices are placed there for students to read.
ART SCHOOL
This is a department for visual arts students only. The department has about six studios which cater for most of the visual art discipline such as textiles painting graphic design sculpture ceramics.
SCIENCE RESOURCE CENTER
This is a department set aside for pure science students. This department was built through SRC funds paid over the years. It is made up of about five laboratories which takes care of both practical and theory works.(Physics, Chemistry, Biology.)
COMPUTER LAB
This is one of the modern buildings in the school. Its main aim to promote computer literacy in the school. The computers were donated by the world bank, so that the school can help them on their worldlink projects. Teachers and students go there for computer classes. It now a popular place for all students and teachers.
STAFF CLUB HOUSE
This is a place built by the O.A.A. It was built in order that they will have a place for their meetings and sometimes have parties. All records of the history of the O.A.A can be obtained from there.