Kannadi Higher Secondary School is situated in the Kannadi panchayath in the Palakkad district. It was established in 1998. It is about five kilometres (3.1 mi) away from Palakkad town, on the side of NH-47. The school offers courses for higher secondary studies, for 11th and 12th grade, students who passed their tenth grade. High school sections includes more personality development activities along with the curriculum based objectives.

The school offers three streams - Science, Commerce and Humanities, in which Science stream has an option to choose between Biology and Computer Science.

Stream	Available seats
Biology Science	100
Computer Science	100
Commerce	50
Humanities	50

The admission to school is carried out through merit and management quota for all streams. The admission through merit quota is carried out through Centralised Admission Process (CAP) of Kerala Government, namely "Ekajaalakam". As per norms of the Educational Department of Kerala, the school offers reservation for Scheduled Castes and Scheduled Tribes category students in merit quota executed through Ekajaalakam. There are also other reservation claims available under the norms of educational department of Kerala. The school management can also allot admission to certain number of students in each stream, under management quota, apart from merit quota.