Govt. High School Sadayanodai
| School Name | Govt. High School Sadayanodai |
| Address | Sadaiyanodai, Sadayanodai, Thurinjapuram, Tiruvannaamalai, Tamilnadu |
| Location | Sadaiyanodai |
| City | Tiruvannaamalai |
| District | Tiruvannamalai |
| State | Tamilnadu |
| Pincode | 606805 |
| Category | Secondary School |
| Block | Thurinjapuram |
Govt. High School Sadayanodai is located in Sadaiyanodai, Sadayanodai, Thurinjapuram, Tiruvannaamalai, Tamilnadu. Established in year 2011, the school is a Co-educational and is located in Rural area. This is a Secondary school and is currently operational. It's affiliated with State Board for class-X exams. The school is managed by Department of Education. The school is situated in Kilpennathur assembly constituency. The school falls under Tiruvannamalai parliamentary constituency. The language used to teach students is Tamil.
| Class VI to VIII | 72 Students |
| Class IX to XII | 85 Students |
| Total Students | 157 Students |
| Total Teachers | 7 Teachers |
| Student-Teacher Ratio | 22:1 |
| Student-Classroom Ratio | 31:1 |
This school teaches around two hundred students who are taught by 7 teachers. The school has student-teacher ratio of 22 students per teacher. All of the teachers are appointed on Regular basis. Six teachers are Male and remaining one is Female. All of the teachers have Post Graduate qualification. Seven teachers are trained in Computer. The student classroom ratio is 31:1, means on an average thirty one students sit in a classroom which is very good. There are 72 students in class VI to VIII and 85 students in class IX to XII.
The school is in a Govt. building and it has no boundary walls. The school has total five clasrooms and five other rooms. The school has internet facility for students. The school has ten desktops, one scanner, one webcam and one generator in its premises. There is reading corner, library and book bank for students. There are four boys toilets, six girls toilets and two cwsn toilets for students. The school has both hand wash facility and drinking water facility for people.