Csi Higher Secondary School Arni
| School Name | Csi Higher Secondary School Arni |
| Address | Arni Municipal, Ward-01, Arni, Tiruvannaamalai, Tamilnadu |
| Location | Arni Municipal |
| City | Tiruvannaamalai |
| District | Tiruvannamalai |
| State | Tamilnadu |
| Pincode | 632301 |
| Category | Higher Secondary School |
| Block | Arni |
Csi Higher Secondary School Arni is located in Arni Municipal, Ward-01, Arni, Tiruvannaamalai, Tamilnadu and was established 36 years ago. This 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 Government Aided. It falls under Arani municipality. The school is situated in Arani assembly constituency. The school falls under Arani parliamentary constituency. The first mode of communication is Tamil in the school.
| Class VI to VIII | 68 Students |
| Class IX to XII | 32 Students |
| Total Students | 100 Students |
| Total Teachers | 7 Teachers |
| Student-Teacher Ratio | 14:1 |
| Student-Classroom Ratio | 8:1 |
This institution has strength of around two hundred students who are taught by 7 teachers. The school has student-teacher ratio of 14 students per teacher. All of the teachers are appointed on Regular basis. Four teachers are Male and remaining three are Female. In terms of Academic qualification two teachers are Graduate and rest five are Post Graduate. None of the teachers are trained in Computer. The student classroom ratio is 8:1, means on an average eight students sit in a classroom which is very good. There are 68 students in class VI to VIII and 32 students in class IX to XII.
The school is in a Govt. building and it has pucca boundary walls. The school has total twelve clasrooms and four other rooms. The school has both internet facility and DTH facility for students. The school has twenty desktops and one webcam in its premises. There is reading corner, library and book bank for students. There are ten boys toilets and six girls toilets for students. The school has both hand wash facility and drinking water facility for people.