Kalardoania High School is situated at Nazirpur upazila in the district of Pirojpur. It is one of the best Schools in the district of Pirojpur and it was established in 1946, by late Mamotaz Uddin Bhadur. There are sufficient rooms for the students as well as for the teachers and there is also a large playground in front of the Institution. It is situated in a charming place. The quality of education is commendable and it is mentionable that no student failed in both JSC & SSC examination during the last three years. Co-curriculum activities are being carried on regularly.