Govt. High School Thellur
| School Name | Govt. High School Thellur |
| Address | Thellur, West Arni, Tiruvannaamalai, Tamilnadu |
| Location | Thellur |
| City | Tiruvannaamalai |
| District | Tiruvannamalai |
| State | Tamilnadu |
| Pincode | 632313 |
| Category | Secondary School |
| Block | West Arni |
Govt. High School Thellur is located in Thellur, West Arni, Tiruvannaamalai, Tamilnadu. Established 15 years ago, this 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. It is located in Arani assembly constituency. This school comes under Arani parliamentary constituency. The first mode of communication is Tamil in the school.
| Class VI to VIII | 112 Students |
| Class IX to XII | 91 Students |
| Total Students | 203 Students |
| Total Teachers | 9 Teachers |
| Student-Teacher Ratio | 23:1 |
| Student-Classroom Ratio | 34:1 |
The institution has enrolled around three hundred students and has recruited total 9 teachers, which makes the student-teacher ratio of 23 students per teacher. Six teachers are appointed on Regular basis and rest three are appointed on Part-time basis. Eight teachers are Male and remaining one is Female. In terms of Academic qualification two teachers are Below Graduate, one is Graduate and rest six are Post Graduate. None of the teachers are trained in Computer. The student classroom ratio is 34:1, means on an average thirty four students sit in a classroom which is very good. There are 112 students in class VI to VIII and 91 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 six clasrooms and four other rooms. The school has internet facility for students. The school has one laptop, twelve desktops, one scanner, two webcams and one generator in its premises. There is reading corner, library and book bank for students. There are six boys toilets, four girls toilets and one cwsn toilet for students. The school has both hand wash facility and drinking water facility for people.