The GH¢ 2.4 million three-storey block had ancillary facilities such as computer and science laboratories, toilet facilities, kindergarten and a play ground.
It is part of the four schools funded by United States Agency for International Development (USAID).
The inauguration brings to 17 the total number of schools constructed by the AMA under the Millennium Schools project out of 122 schools.
The new Korle-Gonno Cluster of Schools has a student population of 2,200.
Inaugurating the school, the Chief Executive of the AMA, Mr. Alfred Okoe Vanderpuije asked the pupils to justify the investment by improving on their academic performance.
He said quality education was central to the development of any nation, hence the substantial investment in education.
While commending the contractor for the timely completion of the project, the AMA boss advised teachers, pupils and parents to take good care of it
Mr. Vanderpuije said the assembly would inaugurate four additional schools in Accra next week.
He described the abolishing of the shift system, whereby school pupils attended lessons at different times as a novelty and said that had improved academic performance within the metropolis.
Mr. Vanderpuije mentioned Dr. H.S Bannerman, Dansoman JHS ‘3’ and JHS ‘5’, Odorkor ‘6’ JHS, Laterbiokoshie 3 and 4 as some Millennium schools that recorded tremendous improvement in the 2015 Basic Education Certificate Examination and urged the pupils to learn harder in the pursuit of academic excellence.
Mr. Kwesi Ansong, Metro- Director of Education said the inauguration would enhance quality education.
He thanked the AMA Chief Executive for his foresight in investing in education, adding that the future of the school children was secured because they would receive quality education.
By Malik Sullemana