Government Higher Secondary School Sendanadu
| School Name | Government Higher Secondary School Sendanadu |
| Address | Sendanadu, Thirunavalur, Kallakurichi, Tamilnadu |
| Location | Sendanadu |
| City | Kallakurichi |
| District | Kallakurichi |
| State | Tamilnadu |
| Pincode | 607204 |
| Category | Higher Secondary School |
| Block | Thirunavalur |
Government Higher Secondary School Sendanadu is located in Sendanadu, Thirunavalur, Kallakurichi, Tamilnadu. Established in year 1972, the school is a Co-educational and is located in Rural area. This is a Higher Secondary school and is currently operational. It's affiliated with State Board for class-X & class-XII exams. The school is managed by Department of Education. It is located in Ulundurpettai assembly constituency. This school is situated in Viluppuram (Sc) parliamentary constituency. This is primarily Tamil medium school but English is also spoken during classes.
| Class VI to VIII | 416 Students |
| Class IX to XII | 747 Students |
| Total Students | 1163 Students |
| Total Teachers | 35 Teachers |
| Student-Teacher Ratio | 33:1 |
| Student-Classroom Ratio | 42:1 |
This institution has around one thousand two hundred students studying and has 35 teachers to teach them, which makes the student-teacher ratio of 33 students per teacher. 32 teachers are appointed on Regular basis and rest three are appointed on Part-time basis. Twenty teachers are Male and remaining fifteen are Female. In terms of Academic qualification three teachers are Below Graduate, eight are Graduate and rest 24 are Post Graduate. Ten teachers are trained in Computer. The student classroom ratio is 42:1, means on an average forty two students sit in a classroom which is good. There are 416 students in class VI to VIII and 747 students in class IX to XII.
The school is in a Govt. building and it has pucca but broken boundary walls. The school has total twenty eight clasrooms and three other rooms. The school has internet facility for students. The school has twenty desktops in its premises. There is reading corner, library and book bank for students. There are seventeen boys toilets, seventeen girls toilets and one cwsn toilet for students. The school has both hand wash facility and drinking water facility for people.