The foundation stone of Government School Mainasar was laid on October 2, 1954. At that time, the school was a primary school. Later, in 1992, it was recognized as a higher primary school. Considering the importance of education, with the cooperation of all the villagers, this school was upgraded to a secondary school in the year 1998. In the year 2005, this school of Mainasar village came into its present form which is now known as Government Higher Secondary School Mainasar. The school building is quite old. Later, some additional rooms were added. The school building is located on land owned by the school. There is a playground right in front of the school. Equipped with all the amenities, this school is now a major center for education up to grade 12.