Kalyanasundaram Higher Secondary School (KHSS in short) is a co-educational higher

secondary school A secondary school describes an institution that provides secondary education and also usually includes the building where this takes place. Some secondary schools provide both '' secondary education, lower secondary education'' (ages 11 to 14) ...

in Thanjavur City. Established in 1891, it is one of the oldest schools. It is named in honor of Shri. K.Kalyanasundaramier who donated land for building this school in 1891.

References

High schools and secondary schools in Tamil Nadu Education in Thanjavur 1891 establishments in India Educational institutions established in 1891 {{TamilNadu-school-stub