The Chennamangallur High School founded in 1964 was upgraded into Chennamangallur Higher Secondary School in 1998. The school ranked among the best secondary schools run by Muslim managements has consistently notched up high pass percentages of either hundred or in the region in both SSLC and Plus Two examinations. The school now has 26 divisions for students from standard eight to twelve. Teachers of the institution are selected solely on the basis of community considerations and merit. Since appointments are immune to corruption and never governed by monetary factors the institution has been able to ensure the whole hearted support of its teachers this has been the secret of its success and academic excellence.